Health Security

Crystal Watson answers more COVID-19 questions.

In 2021, public health endured some enormous losses, but made some major gains and is closing out the year with so much left to do.

 A couple long years into the COVID-19 pandemic, it can be easy to think of it as a once-in-a-generation event. Instead, the pandemic should be viewed as “a warning shot” in the face of mounting biological threats  that countries still aren’t prepared to meet, according to…