Coronavirus live updates: Republicans pick Jacksonville, Florida, as convention site

The Republican National Committee announced that it had selected Jacksonville, Florida, as the site where President Donald Trump will accept the party's nomination. That comes after the party bailed on Charlotte, North Carolina, over coronavirus restrictions.

As the world waits for a coronavirus vaccine, some scientists are proposing that existing vaccines could give the body’s immune system a much-needed temporary boost to stave off infection.

A number of vaccine efforts are planning to start final-stage trials this summer, while the Walter Reed Army Lab is beginning human trials.

Here's what you need to know about the coronavirus, plus a timeline of the most critical moments:

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