Doctor insights on:
How Long Is Impetigo Contagious
MRSA: Depends on your definition of "contagious". This organism is generally transferred person to person by direct hand contact, and then the other person may only become a carrier. Infection requires a break in the skin or soft tissues or introduction into an immune suppressed person. ...Read more
Depends: Most pathogens that cause pneumonia are not contagious. Some organisms like MRSA can spread to healthy contacts and cause colonization. Some organisms like the virus, influenza can cause pneumonia and are contagious during the illness. Drug sensitive tuberculosis is contagious until several weeks into effective multi-drug therapy. ...Read more
Not long: Bacterial conjunctivits (not viral conjunctivitis) in adults requires some breakdown of the surface of someone exposed. Bacteria cannot penetrate the normal defenses unless the eye has had surgery, is traumatized or has some surface disturbance. Anti-bacterial topical medications provide an excellent treatment and so the bacterial count will drops rapidly in 2 days or so. ...Read moreSee 1 more doctor answer
Quite: Though not as bad as viral respiratory diseases, MRSA is contagious since it is spread by direct contact (skin-to-skin) with a person colonized or infected with the bacteria, or by contact with an inanimate object (a "fomite") that has MRSA on it such as soiled clothing that has come in direct contact with a person with mrsa. ...Read moreSee 1 more doctor answer
Very, sort of.: When a person has chicken pox they never completely get rid of the virus. It hides in nerve cells. As immunity falls over time the virus can reactivate, travel to the skin and causes shingles. If you have never had, or been vaccinated for, chicken pox you could catch chicken pox from someone with shingles. Shingles exposure is also dangerous for pregnant women and the immune suppressed. ...Read moreSee 1 more doctor answer
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 moreSee 1 more doctor answer
Until it is gone: The duration of a staph infection depends on where the infection is located and if it is sensitive to antibiotics. Infections can be a small skin infection or involve the heart, lungs, GI tract or brain. The length of the infection depends on the sensitivity, host and location. ...Read moreSee 1 more doctor answer
Viral Illnesses: There may be a variety of answers to this question, but early is always thought to be the time one is most contagious. So, two days before you are at the peak of your illness to two days after the peak of your illness is when it is most likely to be the most contagious to others. ...Read more
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