Coronavirus Covid-19

rbkwp

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the importance of
not going to let it rest,unless told

navirus update
Can COVID vaccines stop transmission?

As countries roll out vaccines that prevent COVID-19, studies are underway to determine whether shots can stop people from getting infected and passing on SARS-CoV-2. Vaccines that prevent transmission could help to bring the pandemic under control if they are given to enough people. Preliminary analyses suggest that at least some vaccines are likely to have a transmission-blocking effect. But confirming that effect — and how strong it will be — is tricky because a drop in infections in a given region might be explained by other factors, such as lockdowns and behaviour changes. “These are among the hardest types of studies to do,” says infectious-disease epidemiologist Marc Lipsitch.

Nature | 5 min read
500,000 deaths in the United States
With personal stories and a sobering graphic on its front page, The New York Times attempts to grapple with the US COVID death toll. Half a million people in the country have died — that’s more than it lost on the battlefields of the First World War, the Second World War and the Vietnam War combined. “This will be a sad day in our history,” says epidemiologist Ali Mokdad of the grim milestone. “Our grandchildren and future generations will look back at us and blame us for the biggest failure in facing a pandemic, in the country that’s the richest country in the world.”

The New York Times | 10 min read
6 years
The gap between the life expectancies of Black and white people in the United States, the widest it has been since 1998. Overall life expectancy in the country fell by a full year in the first six months of 2020, driven largely by COVID-19. (The New York Times | 6 min read)

Coronapod: our future with SARS-CoV-2
In January, Nature asked more than 100 immunologists, infectious-disease researchers and virologists working on SARS-CoV-2 whether it could be eradicated. Almost 90% of respondents think that the coronavirus will become endemic — meaning that it will continue to circulate in pockets of the global population for years to come. But failure to eradicate the virus does not mean that death, illness and social isolation will continue on the scales seen so far. The future will depend heavily on the type of immunity people acquire and how the virus evolves.
 
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rbkwp

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tend to have known/known of such,as being possible
dont really need activists to basically put fear/paranoia into people
SENSIBLE PEOPLE KNOW,MOST THINGS ARE TO BE CONSUMED WITH CAUTION,NOT OVERDO IT/ANYTHING

why ive always said re CURRENT CV OUTBREADONT BOTHER TRYING TO LAY THE BLAME ON CHINA or anyone in particular
we are all guilty/all responsible huh
its our lifestyle we have created around us

 

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Superspreading drives the COVID pandemic — and could help to tame it

Hello Nature readers,
Today we learn how superspreading drives the COVID pandemic — and could help to tame it. Plus, we learn why there’s no single best COVID vaccine and consider the legacy of John James Audubon.


A COVID-19 vaccination centre in Dhaka. (Mohammad Ponir Hossain/Reuters/Alamy)
Why it’s hard to compare COVID vaccines
What is the best COVID vaccine? It’s not as simple as comparing reported effectiveness. Supplies, costs, the logistics of deployment, the durability of the protection they offer and their ability to fend off emerging viral variants all factor in for decision makers. And even measures of efficacy come with a degree of uncertainty: trials might have differing definitions of important criteria, such as what constitutes a ‘severe’ bout of COVID-19. Researchers are gathering crucial data from vaccine roll-outs, testing different doses and combinations and keeping an eye on vaccines coming on the scene. Eventually, the aim is to be more strategic about which vaccines to use in which settings.

Nature | 6 min read
Huge database to track COVID
An enormous international database launched today will help epidemiologists to answer burning questions about the coronavirus SARS-CoV-2. Global.health collects anonymized information about individuals who’ve had COVID, such as the date when they first had symptoms, the date they received a positive test and their travel history. The Google-funded effort builds on an ad-hoc spreadsheet that epidemiologists cobbled together in the early days of the pandemic.

Nature | 6 min read
Female economists face toxic Q&As
Female economists are asked 12% more questions during their talks than their male colleagues — and the questions are more likely to be patronizing or hostile. Researchers attended hundreds of economics seminars and job-market talks, which are part of the recruitment process, across most leading departments in the field in the United States. “It measures something that we thought couldn’t be measured,” says economist Alicia Sasser Modestino. “It links it to a potential reason that women are underrepresented in the profession.”

The New York Times | 6 min read
Reference: working paper (to be published next week by the National Bureau of Economic Research)
Features & opinion
Superspreading is a key to the pandemic

Superspreading, in which some individuals infect many people but most infect only a few, if any, seems to be especially pronounced in COVID-19. The jury is still out on whether biology or behaviour is central to why some people are more infectious than others. But there is ample evidence of what makes a superspreader event: prolonged indoor gatherings with poor ventilation, and aerosol-intense activities such as singing and exercise. Quashing superspreader events through prevention and contact tracing will be key to bringing the pandemic under control.

Nature | 12 min read

Game theory points the way for vaccines
COVAX, the global sharing mechanism for COVID-19 vaccines, is getting pushed to the back of the queue in favour of direct deals between nations and vaccine companies, notes physician-scientist Gavin Yamey. Not only is this unfair, but it seems likely to prolong the pandemic as uncontrolled spread leads to dangerous virus variants. An immediate solution is for richer nations to share their doses, argues Yamey. “With such collaboration, global vaccine distribution would no longer be a zero-sum game,” he says.

starting to think weve got thishuman fascination
ie madness,about any/everything CV related
geuss it keeps warmongers occupied

ps
what a damn difference it makes when our lives are threatened huh
 

rbkwp

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Can the vaccines save us?
A few short generations ago, New Zealand was beset by a virus that closed schools, churches, cinemas and campgrounds and put people in quarantine.

Polio killed at least 835 New Zealanders and paralysed many more. Regular epidemics were only banished in the 1960s by a vaccine decades in the making.

Now, as the world awaits the rollout of COVID-19 vaccines, how have things changed? What has science learned about designing tools to help our immune systems fight back? Keep readi



not ofgten NZ speaks about its happenings,i srem to have nticed
Z Geograhic,in this inst
 

rbkwp

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dont know why sort of feelobliged to post other countriess circumstasnce
keeping that of importance alive,can only geuss at

NZ to go intoo locdown for a further week from tonight
not the major one,yet



5 stories about COVID-19 vaccine mistrust from Americans of color



Joyce Christian of Somerville, Tennessee, holds a photo of her father, Freddie Lee Tyson. Her father was unknowingly a part of the Tuskegee syphilis study. Photo by © Karen Pulfer Focht

Black Americans have historically faced discrimination and even abuse by medical professionals, and these examples of systemic oppression have once again been magnified during the pandemic. Americans who have personally experienced discrimination, as well as a professor of medical humanities at George Washington University, spoke with PBS NewsHour about how this painful legacy of mistreatment informs the present moment.

Despite greater vulnerability to the virus, disproportionately fewer Americans of color have so far been vaccinated across the U.S. compared to white people. It’s a persistent problem that is rooted in both systemic inequity and, in some cases, a lack of trust in the medical establishment. Here are five stories that highlight why some people of color may mistrust the COVID-19 vaccine.

Have a burning science question — pandemic related or otherwise — or a favorite science story from this week? Email us at sciencedesk@newshour.org

Navajo Nation, the largest American tribe with more than 300,000 members, is among the many communities of color that have been devastated by loss. Its tribal government has taken myriad steps to slow the spread of the virus, but the majority of Indigenous people in the U.S. do not live on designated tribal land.

Here’s why those who live in cities like Phoenix feel “invisible” as the pandemic wears on, due to poor health care infrastructure, incomplete data collection when it comes to COVID-19, and a lack of federal funding and resources for urban Indian organizations.





All of the major pandemic indicators — cases, hospitalizations and deaths — have fallen steadily over the past few weeks in the United States, following a record-breaking surge that started with the winter holidays. But health officials still say current hospitalization levels are comparable to peaks reached last summer, according to the Associated Press. Hospitals are also seeing remarkably low numbers of influenza patients this year, as the flu has all but vanished during a winter marked by limited social contact, mask-wearing and, in many places, virtual schooling.





So far, at least 47 million Americans have received at least one shot of either the Pfizer-BioNTech or Moderna COVID-19 vaccines. Although the pace of vaccinations has ramped up after a slow start in December, at the current rate of about 1.6 million people getting shots daily, it would take around a year to vaccinate all adults in the U.S. On Tuesday, the leaders of five manufacturers told Congress they would be stepping up production and distribution of their vaccines in the coming days.

Health care workers were first in line to get vaccinated against COVID-19 when the vaccine rollout was in its early days, but many of those workers decided to delay their shots instead. The PBS NewsHour spoke to some in the medical field who have opted to wait, and what prompted them to make that choice.





An FDA panel recommended Johnson & Johnson’s vaccine for emergency use on Friday, and experts expected it will be authorized shortly. The company’s single-dose shot has the potential to scale up the pace of vaccinations faster compared to existing ones, which require a two-dose regimen. The Conversation broke down how Johnson & Johnson’s vaccine works, how it differs from Moderna and Pfizer-BioNTech’s vaccines and why there will be no reason to try to get one of these vaccines over another if and when Johnson & Johnson’s becomes the third to be authorized so far.

Ask the science desk


aYS-JYl0ngRJFcCzcgudCDeQCt-QyjWIwzSBe8aBTxBzb5VtKki-DO2tCur-Ohb9RNxCiwFya0PPB7Ot3BKpD3xiKx48kk4vPu4RzNzSsTHenMABNCdPAs1bw5PDRWirFXTp8w4zeiWas4wboRdKreZT_wfZwA=s0-d-e1-ft



There is no evidence that any COVID-19 vaccine will affect an individual’s fertility under any circumstances. As the CDC notes on its website, the two mRNA vaccines that have been authorized so far do not interact with our DNA whatsoever, and it’s impossible for them to alter it.

In early February, the American College of Obstetricians and Gynecologists, the American Society for Reproductive Medicine, and the Society for Maternal-Fetal Medicine released this statement on the subject:

"As experts in reproductive health, we continue to recommend that the vaccine be available to pregnant individuals. We also assure patients that there is no evidence that the vaccine can lead to loss of fertility.

While fertility was not specifically studied in the clinical trials of the vaccine, no loss of fertility has been reported among trial participants or among the millions who have received the vaccines since their authorization, and no signs of infertility appeared in animal studies. Loss of fertility is scientifically unlikely.”



What we’re reading, watching and listening to this week:


‘Solidarity, not charity’: Mutual aid groups are filling gaps in Texas’ crisis response. (Grist)

  • “Extreme weather (including, potentially, extreme cold) will only accelerate as climate change progresses, and groups facing structural inequality — including low-income communities, communities of color, and people with precarious housing situations — feel the burden of these extreme events hardest. With “solidarity, not charity” as their guiding principle, these mutual aid groups aimed to lighten that burden and fill the gap in services left by the government in the days immediately following the storm.”
A clean energy milestone: Renewables pulled ahead of coal in 2020. (InsideClimate News)

  • “Low costs of wind and solar power helped renewables pass coal in electricity generation; gas remains the leader.”
What underwater sounds can tell us about the state of coral reefs. (Popular Science)

  • “Soundscape ecology, the study of sounds that come from a particular landscape, is an emerging field of science, and this latest study is part of a growing body of knowledge examining what sounds might reveal about a coral reef ecosystem.”
Will the climate crisis tap out the Colorado River? (High Country News)

  • “Water availability is going from bad to worse in the seven states that rely on the drought-stricken river.”
Solar storms can wreak havoc. We need better space weather forecasts. (Science News)

  • “Scientists are expanding efforts to probe outbursts from the sun and understand their occasionally Earthbound paths.”
How Darwin’s ‘Descent of Man’ holds up 150 years after publication. (Smithsonian Magazine)

  • “Questions still swirl around the author’s theories about sexual selection and the evolution of minds and morals.”
 
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rbkwp

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oh pooh pooh
they/we,dont know
fumbling in the dark,like everyone,no,leading expert in anything

love you,the conversation
but,learn not to speak/headline with such authorativeness,is my suggestion
we dont/no one knows
if so
others would be grabbing at it huh


Vaccine rollout: the first week


Australia's vaccination rollout, explained by the country's leading experts
Have any questions or concerns? Here's what you need to know, according to The Conversation's Health + Medicine editor Michael Hopkin.
It's a week since 84-year-old Jane Malysiak became the first Australian to receive the Pfizer COVID vaccine, kicking off a program that aims to vaccinate every adult in the country by October.

Marc Pellegrini has the answers to many of the most common questions. No, you can't choose which vaccine you receive, or indeed when you have it. And yes, you still have to follow the restrictions even after you've been jabbed. And no, the Facebook news ban really didn't help.

The biggest story of the rollout so far was the Brisbane bungle in which two people received several times the recommended dose. Thankfully both seem to be unscathed, and as Nigel William Crawford points out, a mishap or two is inevitable when trying to vaccinate an entire nation. The challenge is not to let them become routine.

That said, the incident will hardly instil confidence in the one-third of people who are still reportedly unsure about taking the (non-compulsory) vaccine. Fortunately, reassurance is at hand. Despite the vaccines having been developed and approved in record time, we already know they're safe to use and that long-term side-effects are unlikely (and in any case, the safety monitoring will continue throughout their use).

Other queries and concerns about the vaccine are slightly more niche. But whether you're pregnant or breastfeeding, worried about getting informed consent for an elderly loved one, wondering whether the vaccines are vegan, or an Olympic athlete worried whether the vaccine will mess with your training for the Tokyo games, we have you covered.



Michael Hopkin, Health + Energy Editor, The Conversation



Most read article on the rollout
The COVID vaccine is here. When and to whom will we need to prove we’ve had it?
With the COVID-19 vaccine currently being rolled out in Australia, there are situations where proof of vaccination may be required. Read the article.


Your questions, answered by experts
Can I choose what vaccine I get? What if I have allergies or side-effects? Key COVID vaccine rollout questions answered
Australia's keenly awaited COVID vaccine rollout aims to vaccinate all Australians by October. Here are the answers to some key questions. Read the article.

Are COVID vaccines vegan? Should I get one anyway? An ethicist explains
It is possible to be an ethical vegan, who supports a better world for animals, and have the COVID-19 vaccine. Read the article.

How do we know the COVID vaccine won’t have long-term side-effects?
"As vaccine experts, we hear these concerns all the time, and it’s normal to have questions about a vaccine. The good news is that scientists have already been testing COVID-19 vaccines for months". Read the article.

Should I get a COVID vaccine while I’m pregnant or breastfeeding? Is it safe for me and my baby?
From what we know so far, breastfeeding women can be vaccinated without risk to their babies. And the World Health Organization says vaccination is safer for pregnant women who work in places where they are at high risk of exposure to COVID-19 than not getting vaccinated. Read the full article.


Our editors' picks

A COVID ‘vaccine passport’ may further disadvantage refugees and asylum seekers
While the government has since clarified that refugees and other people in immigration detention will be eligible for the vaccine, serious concerns remain about how the rollout will affect refugees within and outside of Australia, as well as the sizeable portion of people living “undocumented” (that is, without a valid visa) in Australia. Especially contentious is the use of so-called COVID passports. Read the full article.

When vaccinating 26 million Australians, expect a mistake or two. But we can minimise the risk of repeating Queensland’s overdose incident
Health Minister Greg Hunt revealed the doctor who administered the vaccines had not completed the proper training. The doctor has been stood down from his position while the error is investigated. But how did this mistake happen, and how can we aim to minimise the risk of it happening again? Read the full article.

Yeh, nah, maybe. When it comes to accepting the COVID vaccine, it’s Australia’s fence-sitters we should pay attention to
While overall it seems most people are willing to be vaccinated, the “maybe” or “fence-sitter” group has grown. Researchers are particularly interested in this group. That’s because when it comes to vaccination policy, we should focus on reaching them. Read t
 

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rbkwp

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personally
not going to get overly orgasmic re COVAX supposed jab the world/the lessor financial countrues
maybe,only after the wealthy have satisfied themselves
migrant/refugee ballsup,ring a bell


Hello Nature readers,
Today we hear that the ocean current that underpins the Gulf Stream is at its weakest state in 1,000 years. Plus, we delve into five mysteries surrounding COVID’s origins and discover tools to get started in quantum computing.


DARPA was part of a collaboration that developed the autonomous ship Sea Hunter, seen here on an uncrewed voyage from California to Hawaii. (APFootage/Alamy)
Plan for UK version of DARPA lacks detail
The UK government has released more information about its plans to launch an independent research agency that will focus on funding high-risk, high-reward science. Researchers and science-policy experts have welcomed the update, but warn that the plan still lacks detail and that the new funding body’s purpose is unclear. The agency is modelled on the United States’ Defense Advanced Research Projects Agency (DARPA), which helped to develop pioneering technologies such as the Internet and GPS.

Nature | 5 min read
A critical ocean current is stalling
One of Earth’s major ocean-circulation systems, which gives rise to the Gulf Stream, has been declining since the mid-twentieth century. The Atlantic Meridional Overturning Circulation (AMOC) is now at its weakest state in 1,000 years. The slackening currents are likely to produce more extreme weather at places where the Gulf Stream normally brings a mild climate. “In 20 to 30 years it is likely to weaken further, and that will inevitably influence our weather, so we would see an increase in storms and heatwaves in Europe, and sea level rises on the east coast of the US,” says oceanographer Stefan Rahmstorf.

The Guardian | 5 min read
Reference: Nature Geoscience paper
Amazonia-1 launches into Earth’s orbit
Brazil’s first homemade satellite soared to space aboard an Indian rocket on 27 February. Amazonia-1 will alert scientists to deforestation and agricultural activity in the Amazon forest. The spacecraft has three wide-angle cameras that can detect regions of forest loss larger than four football fields. But researchers worry that the government might not act on the data that the satellite generates.

Science | 5 min read
COVID-19 coronavirus update
Five mysteries surrounding COVID’s origins

Following a month-long fact-finding mission in China, a World Health Organization (WHO) team investigating the origins of the COVID-19 pandemic concluded that the virus probably originated in bats and passed to people through an intermediate animal. But fundamental questions remain about when, where and how SARS-CoV-2 first infected people.
Nature speaks to four of the WHO investigators about five questions they still want answered.

Nature | 7 min read
The NIH will study ‘long COVID’
The US National Institutes of Health (NIH) aims to learn why some people have long-term symptoms of COVID. The NIH has also given the condition experienced by ‘long haulers’ a name: post-acute sequelae of SARS-CoV-2 infection (PASC). Anthony Fauci, the chief medical adviser to the US President and director of the National Institute of Allergy and Infectious Diseases, referred to early evidence that close to one in three respondents to a survey had long-term symptoms after a mild-to-moderate bout of COVID.

NBC News | 4 min read
Read more: The lasting misery of coronavirus long-haulers (Nature | 12 min read, from September)
Reference: JAMA Network Open paper
Single-dose J&J vaccine gets US approval
The United States has given emergency authorization for a COVID-19 vaccine developed by pharmaceutical giant Johnson & Johnson (J&J). The jab has two big advantages over some leading vaccines: it requires only one dose and doesn’t need ultracold storage. Public-health leaders have cautioned against viewing the J&J vaccine as less desirable because its efficacy was reported to be lower than that of others. “The Johnson & Johnson vaccine was tested against the South Africa variant in South Africa, tested against the variant in Brazil. The Moderna and Pfizer vaccines weren't, we are not comparing the same thing," says physician-scientist Ashish Jha. “When you look at what we really compare about which is preventing hospitalizations and deaths, the Johnson & Johnson vaccine comes in at 100% once it's had a chance to work.”

CNN | 6 min read
Read more: Why COVID vaccines are so difficult to compare (Nature | 6 min read)
NOTABLE QUOTABLE
“We should encourage people to dream about the end of this pandemic.”
Sociologist Zeynep Tufekci outlines five public-health failings during the COVID pandemic, including paternalism and a focus on shaming over harm reduction. (The Atlantic | 25 min read)

Features & opinion
 

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COVID-19 coronavirus update

Illustration by David Parkins
Animals could be key to our COVID future

Since the coronavirus started spreading around the world, scientists have worried that it could leap from people to animals. If so, it might mutate and then resurge in humans even after the pandemic has subsided. From pet cats to farmed mink, experiments have found many animals that can harbour SARS-CoV-2 and pass it on. “The virus taught us a lesson with mink,” says virologist Linfa Wang. “It said, ‘You guys can never catch me.’”

Nature | 12 min read

ah well
anythings possible,i geuss
 

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En74TCiSLmt1Zcw2lDEj5OWOvqe1HQPohHOHXOxccvuzn8CbAt8iXkRzzni0vuECN35XBDD67SkmDm2bJw65Eb2x0R3fXeOjHpz8PX2_ADXvP2FpZA=s0-d-e1-ft

Elderly Lebanese man will get COVID jab 'sooner or later', health ministry says
Lebanon's Health Ministry has rejected a court order for 80-year-old’s swift vaccination, accusing the judge of point-scoring in queue-jumping row


Can my employer make me get a COVID-19 vaccine?
To speed up a return to normal, some businesses are incentivising their staff to get vaccinated. But lawyers say forcing employees to get a COVID jab could be risky



The Ethiopian hairdresser rebuilding the lives of sex workers and migrants
"Many of my clients are sex workers. Usually, they don't talk freely about their job because it's a taboo. But when they come here, they tell their stories."



Children in Congo turn to motorbike taxis for work as COVID-19 bites
With schools shut due to the pandemic, many Congolese children are illegally driving motorcycle taxis to support their families



Ethiopia's migrants turn to sex work as pandemic sends them home
Thousands of female migrants returned to Ethiopia from the Gulf last year and some are risking violence and trafficking as sex workers



COVID-19 vaccines: Who's jumping the line - and how to stop it
From Spain to Florida, the healthy and wealthy are jumping the queue to get a COVID-19 vaccine amid chaotic rollouts and supply shortages



Left in the dark: Millions hit by internet shutdowns in 2020
Access Now report finds almost 30 countries restricted access to the web at least 155 times last year, preventing millions from getting information about COVI

a little tired of the continual gabfest
howeverit isd the most important thing affecting the entire wirld,fcurrently,so ...
 

rbkwp

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ahem

inverted varient,perhaps
tink,the world iis tiring of CV now
time to globally move on and ... whatever
uverall,deaths total,have amounted to/equalled .....

all respect/commiswrations,to those who have lost,of course