Measuring how long drugs remain in your system is based on the drug's half-life, or the amount of time it takes a drug to leave your body. The half-life is best described as the amount of time it takes the liver and kidneys to filter and break down the drug within your bloodstream.
A person is not usually contagious during the norovirus incubation period. People infected with norovirus are usually 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.fter approximately 1 to 2 days, norovirus symptoms can appear. This period between the norovirus transmission and the start of norovirus symptoms is known as the norovirus incubation period..
the incubation period for pink eye is defined as the period between transmission and the beginning of symptoms once the virus or bacterium enters the eye symptoms do not begin immediately for a viral infection the incubation period is generally 12 hours to three daysfor pink eye caused by a bacterial infection symptoms generally start one to three days after transmissionhe incubation period for pink eye is defined as the period between transmission and the beginning of symptoms once the virus or bacterium enters the eye symptoms do not begin immediately for a viral infection the incubation period is generally 12 hours to three days