Moderna CEO says fourth COVID-19 shot could be necessary

The CEO of Moderna says that a fourth coronavirus vaccine shot may soon be necessary due to declining efficacy of booster shots: "I still believe we’re going to need boosters in the fall of ’22 and forward," CEO Stephane Bancel said. "This virus is not going away. We’re going to have to live with it."

Omicron symptoms: Is that runny nose COVID-19 or a common cold?

How can you tell the difference between COVID-19, a common cold and the flu? Cook Children's Medical Center said it can be nearly impossible to tell without a test because the most common symptoms of the omicron variant are similar to those of a cold or the flu.