U.S. researchers have given healthy volunteers the first shot of an experimental coronavirus vaccine as anxiously awaited testing opens. The Associated Press observed as the study's first participant received the injection inside an exam room.

(0) comments

Welcome to the discussion.

We welcome reader interaction. What are your questions about this article? Do you have an idea to share? Please stick to the topic and maintain a respectful attitude toward other participants. (You can help: Use the 'Report' link to let us know of off-topic or offensive posts.)