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 Food and Drug Administration on Monday approved the first screening test for colon cancer that uses patients' DNA to help spot potentially deadly tumors and growths. The Cologuard test from Exact Sciences detects irregular mutations in stool samples that can be an early warning sign of cancer.hat compares to about $25 for a traditional stool blood test. Current federal guidelines recommend traditional stool tests every year and a colonoscopy every 10 years for patients between ages 50 and 75.