After dizzily swelling for weeks, COVID-19 cases seem to be leveling off in New York and Chicago. In the greater Boston area, the amount of SARS-CoV-2 found in wastewater is going down as quickly as ...

You never know when something you say will go viral. It has happened a number of times in my career, the latest being comments I made on my national radio talk show a few weeks ago when I had COVID-19 ...

Editor's note: Find the latest COVID-19 news and guidance in Medscape's Coronavirus Resource Center. Seroprevalence surveys suggest that from the beginning of the pandemic to 2022, more than a third ...

In a response to a law firm’s Freedom of Information Act request, the CDC said it did not have any documents to provide on unvaccinated people with natural immunity who, upon reinfection, spread the ...

There are now more than 65 million people who have recovered from COVID-19 in the United States. While vaccination for COVID-19 has been critically important to protect us against severe disease, ...

Herd immunity occurs when enough people in a group are immune to a specific infection that it cannot spread easily from person to person. Vaccination programs have been successful in creating herd ...