coronavirus transmission?The evidence is mixed, some experts say. And measures might not always be there for the reasons you think.Take temperature checks, which are currently being performed at several Canadian airports.
Some businesses, like the Apple Store, have also been checking customers before they enter.“We know that this is not effective,” said Colin Furness, an infectious disease epidemiologist with the University of Toronto.“I mean, really, just as a screening tool it’s not effective at all.”Given that people can spread the virus before ever showing symptoms, he said, checking someone’s temperature is definitely not a guarantee that they’re healthy.