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  1. Feb 26, 2021 · Stomach flu is extremely contagious and can spread through person-to-person contact. A person can also catch it after coming into contact with contaminated water or food. Symptoms can pass within ...

  2. Nov 14, 2021 · Caused by the virus SARS-CoV-2, this infection can cause fever, chills, trouble breathing, body aches, fatigue, cough, and nausea. But you can spread the virus 2 to 3 days before you notice any of ...

  3. Apr 17, 2019 · Pittman notes individuals with the flu can be contagious for up to three weeks after the onset of symptoms. “In many cases, just because you or your children are fever free and can return to work or school does not mean you are no longer contagious. Proper handwashing goes a long way to prevent the spread of germs.”

  4. Apr 24, 2022 · Norovirus: This is the most common cause of stomach flu. Symptoms appear one to three days after exposure, and you are contagious as soon as symptoms develop. Rotavirus: This virus is contagious even before symptoms appear and for up to two weeks after you recover. Typically, symptoms start one to two days after exposure.

  5. Aug 26, 2019 · If your child has hand, foot, and mouth disease, they’re most contagious during the first week of symptoms. But they may be contagious via the nose, mouth, and lungs for 1 to 3 weeks after that.

  6. Jan 18, 2019 · Just how long is croup contagious doesn’t have an exact answer. However, it is likely to be contagious not only while the child has obvious symptoms but also in the incubation period of the sickness — even before the cough and other symptoms begin. However, the most contagious period is during the early stage of the illness, the CDC explains.

  7. Sep 04, 2020 · Once a person who has pneumonia starts on antibiotics, he or she only remains contagious for the next 24 to 48 hours. This can be longer for certain types of organisms, including those that cause the disease tuberculosis. In that case, someone can remain contagious for up to two weeks after starting on antibiotics.

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