Dr. Julie Gralow answers queries on COVID-19 vaccine.How can we be sure the vaccines are safe if they were produced and approved in such a short period of time?The medical community has been working t...
coronavirus
Coronavirus and Cancer
What is a coronavirus, or COVID-19?
Coronaviruses are a large family of viruses that are common in people and many different species of animals. CDC is responding to an outbre...
coronavirus