Reports describe a Hong Kong man who was reinfected with the coronavirus after returning from Europe. Does that mean he wasn’t immune after the first infection?
A nurse holds plasma donated by a man who recovered from COVID-19.
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In the blood of COVID-19 survivors are antibodies that can defeat SARS-CoV-2. Researchers are testing whether these antibodies can be collected and injected into others to save them from the virus.
Experts are confident that there will be a vaccine next year.
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As grim as things are with the pandemic raging in the US and the mounting death toll, there are many reasons to be optimistic there will be a vaccine by early next year.
Antibodies that recognize and block SARS-CoV-2 infection have the potential to be powerful weapons. An infectious disease expert explains what antibodies are and how they could be used as a therapy.
The world takes tentative steps to get back up and running amid the COVID-19 pandemic, but our post-pandemic world will look different than how we lived and worked before.
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Our experts look at recovery efforts, how different the post-pandemic world will be, the hunt for a cure for COVID-19, and why we need to mind our mental health.
Antibodies are incredibly good at finding the coronavirus. Antigen tests put them to work.
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An antigen test was given emergency use authorization by the FDA in early May. A biochemist explains how COVID-19 antigen tests work.
View of blood collection tubes in a rack on the first day of a free COVID-19 antibody testing event at the Volusia County Fairgrounds, in DeLand, Florida.
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Amazon and General Motors are among companies exploring ways to test employees for COVID-19 infection, but these measures may be against the law.
It’s not yet clear whether antibodies in the blood of patients who have been infected with SARS-CoV-2 indicate immunity. Above: blood specimens for COVID-19 antibody tests.
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Expanding coronavirus testing is one of the most important tasks public health officials are tackling right now. But questions over accuracy of the two main types of tests have rightly caused concern.
The science is far from certain, but it appears at least a proportion of people who have had COVID-19 will be protected from another infection – at least initially.
Even if you’re feeling fine, you might be infected by the SARS-CoV-2 virus that causes COVID-19.
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