Ontario’s COVID-19 advisers have issued new instructions for taking rapid antigen tests to detect the Omicron strain of the novel coronavirus as the tests become more widely available across the province.
The Ontario Science Advisory Table said you should swab the insides of your cheeks, then your tongue or the back of your throat, and then your nostrils to make the tests more accurate. Previous guidance for rapid tests included only a nasal swab.
“There seemed to be a glitch in the performance of rapid tests,” Dr. Peter Juni, the director of the Ontario Science Table, said in an interview.
“And what we found when looking at various experiences
