Real-Time PCR Assays. Real-time reverse transcriptase-polymerase chain reaction (RT-qPCR) is the most widely used diagnostic assay for detecting norovirus. This assay detects the genetic material (RNA) of the virus. It can be used to test stool, vomitus, and environmental specimens.
Sixty-five percent of children under eight years old watch television daily. On average, they spend about an hour and a half (100 minutes to be exact) watching TV every day. As a group, children under eight spend an average of 25 minutes per day playing video games. 66% of all children under the age of two have watched television. Television watching typically begins at 9 months of age.
The average 8-10 year old in the U.S. spends around eight hours per day in front of a screen. Teens may spend as many as 11 hours per day. Many children spend more time interacting with media than they spend sleeping or going to school.he average 8-10 year old in the U.S. spends around eight hours per day in front of a screen. Teens may spend as many as 11 hours per day. Many children spend more time interacting with media than they spend sleeping or going to school.