Incubation Period. According to the CDC, although the incubation period can range from one to four days, the typical incubation period is two days. People can begin infecting others about one day before any symptoms of the virus appear, and are contagious for about a week after that.nfluenza is a highly contagious respiratory illness. According to the Centers for Disease Control and Prevention, every year between 5 and 20 percent of people in the United States get the flu.
Colon Cancer. There are five common colon cancer tests: colonoscopy, virtual colonoscopy, sigmoidoscopy, barium enema, and stool testing. Each has benefits and drawbacks, so it's best to ask your doctor which colon cancer test is appropriate for you. In the meantime, however, here's an overview of the most common types of colon cancer tests. During a colonoscopy, a doctor inserts a flexible tube (called a colonoscope) into your anus.
The U.S. Preventive Services Task Force changed their recommendations in 2012 to recommend that men are not screened for prostate cancer. What tests are available? There are two main tests commonly used to screen for prostate cancer. These are the digital rectal exam (DRE) and the prostate-specific antigen test (PSA). Neither test can confirm prostate cancer. However, they can reveal strong signs that a man has a prostate problem and requires further testing such as a prostate biopsy.