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The effects of virus variants on COVID-19 vaccines

This article is part of a series of explainers on vaccine development and distribution. Learn more about vaccines – from how they work and how they’re made to ensuring safety and equitable access – in WHO’s Vaccines Explained series. All viruses – including SARS-CoV-2, the virus that causes COVID-19 – evolve over time.

Testing and International Air Travel

New Travel Requirements: All air passengers coming to the United States, including U.S. citizens, are required to have a negative COVID-19 test result or documentation of recovery from COVID-19 before they board a flight to the United States. See the Frequently Asked Questions for more information. Masks are required on planes, buses, trains,

Why did COVID-19 become partisan?

You just breath the air, and that s how it s passed … This is deadly stuff, said President Donald Trump. The date of Bob Woodward s bombshell recording, February , is important. President Trump knew then the threat of COVID- – and had no qualms about downplaying it. We don t want

U.S. signs contract with Pfizer for COVID-19 vaccine doses

WASHINGTON — The Trump administration will pay Pfizer nearly 1.95$ billion for a December delivery of million doses of a COVID- vaccine the pharmaceutical company is developing, Health and Human Services Secretary Alex Azar announced Wednesday. “Now those would, of course, have to be safe and effective” and approved by the Food and

US, Canada, UK accuse Russia of hacking COVID-19 vaccine trials

Hackers backed by the Russian government are attempting to steal information from researchers and pharmaceutical companies racing to find a COVID- vaccine, Britain, the United States and Canada alleged Thursday.  images Science researcher in full protection equipment is studying and developing new vaccine in biochemistry to fight against coronavirus in safety laboratory. Britain’s National

The race to find a COVID-19 vaccine

It’s not an understatement to say that the entire nation’s hopes are focused on what’s happening in a Maryland laboratory – step one in manufacturing a potential coronavirus vaccine. Sean Kirk, executive vice president of Emergent BioSolutions, explained to correspondent Martha Teichner how a bioreactor is used to create the ingredients needed in