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.
In 2009, the Nielsen Co. reported that childrenâs television viewing had reached an eight-year high. Children ages 2 to 5 watched TV for more than 32 hours a week. Kids ages 6 to 8 spent 28 hours per week in front of the tube, most likely because they were in school, explains Nielsen. The Kaiser Family Foundation also conducted research on the media habits of children ages 8 to 18. Kaiser found that on average, this age group spends 4Â½ hours each day watching TV in various forms, including on their mobile phones and the Internet.