David J. Lynch is a staff writer on the financial desk who joined The Washington Post in November 2017 after working for the Financial Times, Bloomberg News and USA Today.

As a new COVID-19 variant known for causing a symptom referred to as "razor blade throat" spreads, the U.S. Food and Drug Administration is now requiring vaccines to carry warning labels on ...

COVID-19 patients may show symptoms such as breathlessness or delirium at the end of life. The goal of palliative medicine is to relieve such symptoms with specific treatments. Treatments can be drugs ...

A new COVID-19 variant named "Nimbus" has been detected in the U.S. and is spreading rapidly. Here's what to know about symptoms and vaccines.