Jackson Mthembu is the most prominent South African politician to succumb to COVID-19.
Jackson Mthembu's death drives home the seriousness of the COVID-19 pandemic in the country.
The microbes living in the gut are key to good health.
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The microbes in your gut influence how your immune system reacts to bacteria and viruses. A severe immune reaction is deadly; a small one lets the virus win. The right balance may depend on your diet.
Health care workers and patients in the temporary outside area Steve Biko Academic Hospital created to screen and treat suspected Covid-19 cases in Pretoria.
Alet Pretorius/Gallo Images via Getty Images
Scientists have observed that 501Y.V2 has quickly become "dominant" among multiple variants that have been circulating in the South African population.
We've gone from a novel virus to several COVID-19 vaccines in less than a year. Here's what we've learned from earlier vaccines to allow this to happen.
A wild mink in Utah was the first wild animal in the U.S. found with COVID-19.
Peter Trimming via Wikipedia
COVID-19 has been found in pets, zoo animals and in a wild mink in Utah. Monitoring wildlife for COVID-19 is important for animals and humans, both of whom face risks from a jumping virus.
The new SARS-CoV-2 variant’s increased transmissibility is believed to come from a change in the spike protein, visible here in yellow under an electron microscope.
National Institute of Allergies and Infectious Diseases
The new SARS-CoV-2 variant is already spreading in the US and could be dominant by March, the CDC warns. Here's what that means for the masks you choose and how you practice social distancing.
By mid-January, only about a quarter of the COVID-19 vaccines distributed for U.S. nursing homes through the federal program had reached people’s arms.
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West Virginia's success holds some important lessons for other states and the rest of the COVID-19 vaccine rollout.
We need to return to a norm of families only accessing in-school provision where it is absolutely unavoidable.
Health care workers wait in line for vaccinations at a site in Los Angeles.
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With vaccine shortages looming, experts are debating whether it is important to receive two doses or whether it's better to give one dose to more people and give a second when the supply is better.
Alessandro Di Marco/EPA
Analysis of smartphone data shows why countries need to coordinate border closures to stop the spread of the new variant.
Getting vaccines to rural and hard-to-reach areas is critical for public health and ethical reasons.
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So far, the only COVID-19 vaccines authorized for use need to be kept frozen. But there are many places in the world that can't support a cold supply chain.
Open to eat indoors – but will you?
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Experts weigh in on whether they will sit and eat at a restaurant.
I am a physician, and I just got my first shot of the Pfizer COVID-19 vaccine.
With vaccines forthcoming for most Americans, many groups, including expectant mothers, are wondering if the vaccine is safe for them and their babies. A physician-scientist explains.
Say hello to Spike.
National Institute of Allergy and Infectious Diseases
It's the part of coronavirus that helps the virus get into your cells – and also the target of the leading vaccines.
The French government will not accept any passengers arriving from the U.K. amid fears over the new mutant coronavirus strain.
Steve Parsons/PA Images via Getty Images
A new strain of the SARS-CoV-2 virus that causes COVID-19 appears to be spreading fast in the UK. This probably isn't a big problem, but the data isn't in yet.
All your questions about the new coronavirus variant, answered by a microbial genomics researcher.
On Dec. 8, 2020, the first members of the public were given doses of a coronavirus vaccine.
AP Photo/Frank Augstein, Pool
The coronavirus vaccine was developed faster than any vaccine in history. It took just 332 days from the first sequencing of the virus genome to the first vaccines given to the public.
The number one scientific breakthrough for 2020: multiple vaccines to prevent COVID-19.
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The development of multiple vaccines against the virus that causes COVID-19 has been hailed as the breakthrough of 2020. But there were many more supporting discoveries that made this possible.
There have been a few accounts of patients who have tested positive, then negative, then positive again for COVID-19.
So, if you have ever tested positive, there is a chance you could contract the virus again. And you could infect other people. You should still take the necessary precautions.
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A new review from the Australian Academy of Health and Medical Sciences says managing the pandemic into 2021 will mean persisting with the measures that have made Australia's response successful so far.