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Testing Timeline: What’s Ahead for COVID-19 Vaccines

Pfizer's surprising news that its COVID-19 vaccine might offer more protection than anticipated — an announcement right after a fraught U.S. presidential election campaign — is raising questions about exactly how the different shots will make it to market. Pfizer Inc. and the maker of the other leading U.S. vaccine candidate,...

Coronavirus Likes to Replicate, but New Drug Might Stop It

Viral replication has swept the nation during the pandemic. But a new treatment might put a stop to one of COVID-19's main attacks on our bodies. President Donald Trump announced at the coronavirus task force briefing Thursday afternoon that Pfizer has found a “promising new treatment that might prevent the...

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