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Doctor insights on: When Is Measles Contagious

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When is chickenpox not contagious anymore?

When is chickenpox not contagious anymore?

When last spot dry: The contagious period of chickenpox extends from 24-48 hours before the onset of the rash for six to seven days.Over that period the average person will have 200 to 300 spots, that go through stages and dry.As these all reach the crusted dry stage, or 6-7 days out, you are no longer contagious. ...Read more

Dr. Barbara Lavi
220 doctors shared insights

Measles (Definition)

Also known as rubeola, this is a formerly common childhood viral infection that causes a fever with cough, runny nose, red eyes, and a characteristic red rash. Rare complications include pneumonia and encephalitis. The ...Read more


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How contagious is measles?

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. ...Read more

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When is chicken pox not contagious anymore?

When is chicken pox not contagious anymore?

Chicken Pox: When all the sores have crusted over, chicken pox is no longer contagious. ...Read more

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When is the roto virus contagious?

When is the roto virus contagious?

Very contagious!: Rotavirus is very contaious! wash your hands! ...Read more

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When is pneomonia most contagious?

When is pneomonia most contagious?

Pneumonia: Is seldom transmissible from person to person. Whether this is possible depends upon the organisms causing the infection, the proximity of the people involved, their immune status, whether they smoke, and a variety of other factors. When transmissible it occurs most when the infected person is coughing and producing droplet nuclei of infected material which can be inhaled by others. ...Read more

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When a fever breaks, is influenza still contagious?

When a fever breaks, is influenza still contagious?

Yes: It is contagiousmore or les for 5 to 7 days but during the last epidemic it occurred to 10 days. ...Read more

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Is it possible to contract german measles after having measles?

Separate illnesses: The measles is the term for the longer harsher form of measles , also called american measles by some.The german measles is a shorter milder form that is nonetheless deadly to unborn babies & produces tragic birth defects/miscarriage/blindness/etc. They are separate diseases that can be prevented by vaccination. ...Read more

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When is shingles not contagious anymore?

When is shingles not contagious anymore?

Completely dry: When the scabs are completely fallen off the infection has resolved although it is not contagious exvept through direct contact. ...Read more

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How early is a virus contagious?

How early is a virus contagious?

Depends on your view: If one views contagiousness as coming from an infected person, then the virus has to first reproduce inside that person, which takes days or many hours. If a person includes in his view transmission by a third person, then a virus can be contagious right away (such as a person touching infected and non-infected persons, without doing hand-washing in between, thus spreading the virus in no time). ...Read more

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Is this only contagious through toddlers? or is it spread by all ages? how long from time contracted is it contagious

Is this only contagious through toddlers? or is it spread by all ages? how long from time contracted is it contagious

Is WHAT contagious ?: If you don't provide the needed background information your post cannot be answered. You are welcome to start over. ...Read more

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Is chickenpox a contagious disease?

Is chickenpox a contagious disease?

Chicken pox: It takes between 10 and 21 days after contact with an infected person for someone to develop chickenpox (this is known as the chickenpox incubation period). While this is the complete range for the chickenpox incubation period, the usual chickenpox incubation period averages between 14 and 16 days. ...Read more

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My friend has rubella virus. Is this contagious?

My friend has rubella virus. Is this contagious?

Yes: This was a common viral illness of childhood many years ago before vaccines were available.It was a relatively mild illness for kids, but produces fetal death or devastating birth defects when women get it during pregnancy.As more of the population ignores the benefit of vaccines, we will eventually see outbreaks.International travel brings in asymptomatic carriers who then infect susceptible ppl. ...Read more

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Until when is acute bronchitis contagious?

Until when is acute bronchitis contagious?

Depends....: There are many different bacteria and viruses that can cause acute bronchitis, each with a different incubation period and shedding time. So, the amount of time a person is contagious depends on which organism is causing the infection. ...Read more

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When a child gets the chicken pox vaccine, are they contagious with chicken pox?

When a child gets the chicken pox vaccine, are they contagious with chicken pox?

No, but : A few kids will develop an atypical vaccine response and have a few blisters come up. The blisters will contain viral particles that represent the weakened vaccine strain.These could be passed on by direct contact to an unvaccinated person.They would likely not have any outward symptoms but would then be immune as if s/he had been vaccinated. ...Read more

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How contagious is croup?

How contagious is croup?

LIke a common cold: Croup is caused by a virus and is contagious. To put it in perspective, it is as contagious as a common cold. Good hand washing with soap and water or with hand-gel will decrease the risk of transmission. ...Read more

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How is anthrax spread? Is it contagious?

How is anthrax spread? Is it contagious?

Contact with spores: Anthrax is not spread person to person! as we saw in 2001, spores that were sent thru the mail as a terrorist act can be inhaled & cause pulmonary anthrax. Short of this exposure, spores can be ingested on contaminated (uncooked) food and cause infection from the base of the tongue thru the GI tract. It can also cause a painless sore on the skin. See www.Bt.Cdc.Gov/agent/anthrax. ...Read more

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When is the stomach flu contagious if breastfeeding?

When is the stomach flu contagious if breastfeeding?

Not Passed in Milk: While a nursing mother can pass a stomach virus onto her child, the virus does not pass to the child through the breastmilk. The mother's antibodies passed via the breastmilk may even offer protection for the child. ...Read more

Contagious (Definition)

One is able to transmit an infection to another by ...Read more