Johnson & Johnson is beginning a huge final study to try to prove if a single-dose COVID-19 vaccine can protect against the virus.
The study starting Wednesday will be one of the world's largest coronavirus vaccine studies so far, testing the shot in 60,000 volunteers in the U.S., South Africa, Argentina, Brazil, Chile, Colombia, Mexico and Peru.
A handful of other vaccines in the U.S. — including shots made by Moderna Inc. and Pfizer Inc. — and others in other countries are already in final-stage testing. Hopes are high that answers about at least one candidate being tested in the U.S. could come by year's end, maybe sooner.
U.S. health officials insist the race for a vaccine isn't cutting corners. Read the full story here:
Here's an update on all developments. Scroll or swipe further for in-depth coverage.
- Israel on Wednesday reported a new record level of daily cases of coronavirus, shortly before government officials were to meet to discuss tightening a new nationwide lockdown.
- Dr. Anthony Fauci on Tuesday said the nearing prospect of the US reaching 200,000 coronavirus deaths is "very sobering, and in some respects, stunning," while adding that Americans should trust medical experts despite at times conflicting signals from the highest levels of government.
- The British government on Wednesday defended its strategy for combatting a second wave of COVID-19 cases amid criticism that its new slate of restrictions will not be enough to stop an exponential spread of the coronavirus.
- Germany's coronavirus tracing app has been used to transmit 1.2 million test results from labs to users during the first 100 days, officials said Wednesday.
- India reported more than 83,000 new coronavirus cases on Wednesday, showing some decline after reaching a record a week earlier.
For more summaries and full reports, please select from the articles below. Scroll further for the latest virus numbers.
Virus by the numbers
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