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.
It shouldnât be a surprise to learn theyâre texting, talking and gaming. What may be surprising is just how much. A recent Harris Interactive study shows teenagers average 2.2 hours a day on their cell phones. Broken down by the sexes, boys average 1.8 hours and girls average 2.6 hrs per day. Another study by Nielsen shows the average teenager sends 3,417 texts per month. That equates to over 110 per day! Teens talk another 523 minutes a month (8.75 hrs). The rest of their time is spent downloading and playing games, streaming music or surfing the internet.