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..
An incubation period is the amount of time it takes between exposure to a virus, and the development of symptoms caused by the virus. For the H1N1 flu virus, the incubation period is between 1 and 7 days, with 4 days being the most common.What is the incubation period for the H1N1 flu virus? Businesses should communicate with their employees about infection control measures like handwashing and staying home when sick.or the H1N1 flu virus, the incubation period is between 1 and 7 days, with 4 days being the most common. What is the incubation period for the H1N1 flu virus? Businesses should communicate with their employees about infection control measures like handwashing and staying home when sick.