Researchers are narrowing down how long the virus persists inside the body and whether people can be quickly re-infected.

How long the novel coronavirus lasts in the body and on surfaces can vary depending on the circumstances. Here is what we know so far.

There's a new COVID-19 shot that targets omicron and its subvariants. But does your protection fade after a certain amount of time?

New and repeat COVID-19 infections translate into millions of new long COVID cases and a staggering number of people suffering from the condition.

COVID-19 antibodies can stay in the body for just a few months or over a year. However, hybrid immunity is generally more effective than natural or vaccine-based immunity alone. Learn more.

How long does COVID live on surfaces? While surface transmission of COVID is possible, it is less likely than transmission by inhaling infected respiratory particles.

As millions of people are recovering from Covid-19, an unanswered question is the extent to which the virus can “hide out” in seemingly recovered individuals. If it does, could this explain ...

Today, the majority of people who catch Covid will have very similar symptoms to other illnesses, such as colds and flu. Most ...

Researchers are narrowing down how long the virus persists inside the body and whether people can be quickly re-infected.

How long does COVID live on surfaces? While surface transmission of COVID is possible, it is less likely than transmission by inhaling infected respiratory particles.