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When will this seasonal 'tridemic' end?

A triple-whammy viral stew of COVID-19, RSV and influenza has been dogging many of us for weeks. Is there light at the end of the tunnel?
A colourized electron microscope image of SARS-CoV-2, the virus behind COVID-19. Scientists are now watching the Omicron subvariant XBB.1.5, which is on the rise in multiple countries, including the U.S.
A colourized electron microscope image of SARS-CoV-2, the virus behind COVID-19. Scientists are now watching the Omicron subvariant XBB.1.5, which is on the rise in multiple countries, including the U.S. (U.S. National Institute of Allergy and Infectious Diseases)

Seasonal viruses including influenza and respiratory syncytial virus (RSV) have come back with a vengeance, after sparing the public through most of the COVID-19 pandemic. Meanwhile, new COVID subvariants threaten to be the most transmissible seen yet, and appear to be on the rise.

This triple-whammy 'tridemic' is straining the healthcare system and many families — especially those with young children who skipped a couple years of viral infection.

Today we're joined by Dr. Allison McGeer, an infectious disease specialist and professor at the University of Toronto's Dalla Lana School of Public Health, to figure out when an especially tough sick season will ease up.