how long are you contagious with the enterovirus?
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The contagious period for an enterovirus infection starts about three days after infection and remains for about 10 days after symptoms develop; people can shed infectious viruses without having symptoms.
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People with the virus are likely contagious from the day or so before symptoms first appear until about five days after symptoms begin. Children and people with weakened immune systems may be contagious for a slightly longer time.
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Once your symptoms do appear, they may last for two to four weeks. You can pass the virus to other people through your saliva for up to three months after your symptoms subside. Some studies have reported that you may still be contagious for up to 18 months.
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People infected with norovirus are contagious from the moment they begin feeling ill to at least 3 days after recovery. Some people may be contagious for as long as 2 weeks after recovery.
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How long are coxsackieviruses contagious? Coxsackieviruses are most contagious during the first week of symptoms. However, viable virus microbes have been found in respiratory tracts for up to three weeks and then in feces up to eight weeks after initial infection, but during this time, the viruses are less contagious.
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People who have mono can be contagious from the time they first become infected. But they may not know that they have the virus. It takes a while for mono symptoms (like tiredness, fever, muscle aches, headache, or sore throat) to show up — about 1–2 months, in fact. This is called the incubation period.
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Most people will be infectious for around 2 weeks. Symptoms are usually worse during the first 2 to 3 days, and this is when you're most likely to spread the virus.
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Adults are most contagious with the flu from 24 hours before symptoms start to three to five days afterward. Children can spread the virus for longer—up to 10 days, and sometimes even beyond that. People who have serious immune system problems can spread influenza for weeks, or even months, after they get it.
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Coxsackieviruses are very contagious. They can be passed from person to person on unwashed hands and surfaces contaminated by feces. They also can be spread through droplets of fluid sprayed into the air when someone sneezes or coughs.
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If you or your child has a sore throat from the common cold, you'll be infectious from a couple of days before you notice symptoms until 2 weeks afterward. You're most likely to spread the virus in the first 2 or 3 days.
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The average length of time a person is contagious after onset of illness is six months. The EB virus remains in the body for life, and periodically can be found in small amounts in the throat in otherwise completely healthy persons.
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Typically, you're contagious from 1 day before you have any symptoms. You stay that way for 5 to 7 days after you start feeling sick.
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How Long Is It Contagious? If a virus is to blame, you may have been contagious days before you got the sinus infection. Most viruses can be spread for just a few days, but sometimes you could pass it on for a week or more.
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Most people become contagious with cold symptoms one to two days after exposure to a cold virus. These symptoms usually peak two to four days later. The common cold usually lasts about ten days.
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This is usually 1–2 days before the sore becomes visible. Sores remain highly contagious until the skin completely heals. This can take up to 15 days. During an outbreak, people should be careful not to transmit the virus to others.
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People are usually no longer contagious within 24 hours of treatment. Even after successful treatment, the dead mites, dead eggs, and fecal material will remain in the skin for 2 to 4 weeks (until the skin grows out).
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Period of Contagiousness People with flu are most contagious in the first 3-4 days after their illness begins. Some otherwise healthy adults may be able to infect others beginning 1 day before symptoms develop and up to 5 to 7 days after becoming sick.