Vaccines against the disease are desperately needed, but they won’t necessarily prevent all or even most infections, experts say.

Vaccines against the disease are desperately needed, but they won’t necessarily prevent all or even most infections, experts say.

In a secret experiment, researchers replaced the dysfunctional brain cells of a Parkinson’s patient with the progeny of an extraordinary type of stem cell.

In a secret experiment, researchers replaced the dysfunctional brain cells of a Parkinson’s patient with the progeny of an extraordinary type of stem cell.

The pandemic has accomplished what palliative care doctors have been trying to do for years: broach end-of-life issues earlier.

Three scenarios for the future of Covid-19 differ on details, but all foresee a world that looks and feels nothing like the world of just three months ago.

As the virus that causes Covid-19 spreads worldwide, this dashboard offers a snapshot of confirmed cases by geographic location. Click a country name to get a more detailed geographic breakdown at the state, province, or county level. Learn more.

As the virus that causes Covid-19 spreads worldwide, this dashboard offers a snapshot of confirmed cases by geographic location. Click a country name to get a more detailed geographic breakdown at the state, province, or county level. Learn more.

Thousands of bars forced to close could be starting to see an end in sight as cases drop off and the political will for continuing lockdowns fades. For some states, it is a gamble worth trying, only a few months after a rush to reopen bars in May and June ended in disaster.

There was plenty in the August jobs numbers report for optimists to savor over the long holiday weekend. But it wasn't all good news.