We asked Dr. Alok Patel, part of the ABC7 News team of experts to explain. Coronaviruses get their name from the spikey protein that resembles a crown under a microscope. It's transmitted from person ...

Have you ever wondered why you have to get a flu shot every year, but some vaccines are one-and-done? It all has to do with how and how fast viruses evolve - and that depends on mutation rates.

"We cannot promise 100% chance of success," a government official said. Since the onset of the coronavirus outbreak, a vaccine has been widely regarded as the best path toward reopening society and ...

Not long ago, we were all masters of covid math. When the pandemic began in 2020, the number stuck in our minds was 14: If we (or any close contact) got a positive COVID-19 test, we were supposed to ...

As more cases of the new coronavirus are diagnosed throughout the US (currently, there are 423 <a href="https://www.cdc.gov/coronavirus/2019-ncov/cases-in-us.html" id ...

How the body responds to COVID-19 will vary from one person to the next, and the same goes for the recovery period from the virus. How long it’ll take to recover from COVID-19 is always going to be ...

WASHINGTON — In the winter months, it seems few are safe from some kind of illness — flu, COVID-19, norovirus, colds. While many of the germs that cause this misery can circulate throughout the year, ...