How contagious is measles?

Extremely. Measles is transmitted via the respiratory route and an infected person can infect others up to 7 days prior to showing symptoms and up to 3-4 days after the onset of symptoms. It is important to protect yourself against this infection with the the MMR (mumps, measles and rubella) vaccination.

Related Questions

Is measles still contagious after 10 days?

4 by 4. Measles is most contagious 4 days before the rash shows up and 4 days after the rash shows up. Read more...
Measles. No. Usually measles is the most contagious before anyone knows they have it! as a rule about 3-4 days after the rash is present the person can no longer spread the disease, but by this time they have already been contagious for more than a week! Read more...

Are measles still contagious after 10 days?

No. The clinical course of measles has 3 stages a. Incubation period at least eight days while asymptomatic b. Prodrome stage; symptomatic and c. Skin rashes; 5 days after the onset of symptoms an individual with measles can spread the disease to others for about 8 days; starting 4 days before the symptoms appears and ending when the rash has been present for 4 days. Read more...

My kid got high fever followed by rashes like measles with brown vesicles extensively. What could be that? Is that contagious?

Call doc or ER. You do not say how old your kid is, or if any other symptoms. I am concerned when you say brown vesicles all over. If an google image search of chicken pox does not show you an almost exact similarity, then this could be very serious. Call his doctor right now or go to the ER. Best of luck! Read more...

What is viral exanthematous fever? My kid got this but doc told this is not measles a or chickenpox and lesions are not contagious. Please clarify.

Viral Exanthem. This is not a specific disease. It is a virus with an exanthem (rash) an a fever. Few days of supportive care with fluids, acetaminophen/iburofen and should be good as new. The lesions may not be contagious but the virus surely is. Read more...
Rash and fever. Viral exanthem is fever with Rash due to viruses . There are many viruses apart from measles and chickenpox which can cause them . Need not worry the rash subside once body fights viral infection. . Read more...