[ Sign up for our Health IQ newsletter for the latest coronavirus updates ]Hatchette says the United States has more experience with these tests because they have been using them a lot, but in Canada it is considered relatively new.“We’re all struggling, trying to figure out exactly where does that fit in, where is the niche, where this test would actually be helpful.
And there are some challenges, in addition to the accuracy that make it difficult to scale up these tests.”According to Hatchette, some of the challenges is that rapid antigen tests are only approved for symptomatic people within the first seven days, and it requires a person to take the swab.“The swab that they’ve been approved for generally is the nasal pharyngeal one, the.