April 1, 2020
ON MARCH 16, as many countries rapidly expanded their social-distancing measures to combat spread of the SARS-CoV-2 coronavirus and the associated disease COVID-19, the director-general of the World Health Organization told them that they needed to do more.
“The most effective way to prevent infections and save lives is breaking the chains of transmission. And to do that, you must test and isolate,” said Dr. Tedros Adhanom Ghebreyesus. “You cannot fight a fire blindfolded. And we cannot stop this pandemic if we don’t know who is infected. We have a simple message for all countries: test, test, test. Test every suspected case.”
Canada generally, and British Columbia in particular, claims to be following that advice. B.C. health minister Adrian Dix says the province conducts around 3,500 tests for COVID-19 every day. According to the B.C. Centre for Disease Control, by March 31 the province had conducted 43,229 tests — 8,458 per million residents, a testing rate better than the 8,152 per million conducted by South Korea, considered a model country for managing the crisis.
But some say that’s still not enough if we want accurate data about the prevalence of the virus, and hope to identify and isolate carriers who are only experiencing mild symptoms, or no symptoms at all.
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