Users' questions

How long are you contagious with EBV?

How long are you contagious with EBV?

An Epstein-Barr virus is contagious during its long incubation period (four to seven weeks, see below) and then until symptoms are gone; however, there is evidence that some people may still spread the virus to others for many months even after symptoms are gone.

How do you know when your mono isn’t contagious anymore?

Health experts aren’t sure how long people with mono stay contagious after symptoms are gone, but it seems they can spread the infection for months after that. Then, the virus stays dormant (inactive) in the body for the rest of a person’s life.

Is EBV contagious when dormant?

Once the virus is in your body, it stays there in a latent (inactive) state. If the virus reactivates, you can potentially spread EBV to others no matter how much time has passed since the initial infection.

How does EBV spread from person to person?

EBV spreads from person to person through saliva and other bodily fluids. If you kiss a person who has the virus — or you share personal items like utensils, glasses, food, or lip balm — you can become infected.

Why is EBV known as the kissing disease?

It was the first virus to be directly associated with human cancer. EBV is spread mainly via the transfer of saliva between individuals, which is the reason that glandular fever has been dubbed the ‘kissing disease’.

Is it possible for the EBV virus to reactivate?

Instead it becomes inactive—essentially hiding away inside the body’s B-cells. It is possible for the EBV to ‘reactivate’ later in life, though this is rare. ­­ It can be difficult for doctors to diagnose EBV because its symptoms so closely resemble a range of other illnesses.

How long can someone with mono be contagious?

It’s hard to say exactly how long someone with mono is contagious. Even researchers aren’t totally sure. After you’re infected with Epstein-Barr (EBV) — the main virus that causes mono — the virus begins to shed in your throat.

Can you spread EBV from one person to another?

The first time you get infected with EBV (primary EBV infection) you can spread the virus for weeks and even before you have symptoms. Once the virus is in your body, it stays there in a latent (inactive) state. If the virus reactivates, you can potentially spread EBV to others no matter how much time has passed since the initial infection.

What happens to the EBV virus after you get it?

After you get an EBV infection, the virus becomes latent (inactive) in your body. In some cases, the virus may reactivate. This does not always cause symptoms, but people with weakened immune systems are more likely to develop symptoms if EBV reactivates.

Can a child get mono from an EBV infection?

EBV can cause infectious mononucleosis, also called mono, and other illnesses. Symptoms of EBV infection can include Many people become infected with EBV in childhood. EBV infections in children usually do not cause symptoms, or the symptoms are not distinguishable from other mild, brief childhood illnesses.

It’s hard to say exactly how long someone with mono is contagious. Even researchers aren’t totally sure. After you’re infected with Epstein-Barr (EBV) — the main virus that causes mono — the virus begins to shed in your throat.