Amid a new summer surge in COVID-19 cases, here’s what Canadians need to know about the new Omicron subvariants, getting boosters and the likelihood of reinfection
cases and waste-water levels are increasing again in a new surge driven by the highly contagious Omicron subvariants BA.4 and BA.5. For Canadians who have been living with the reality of the pandemic for more than two years, it’s no longer a matter of asking about masks and vaccines. Here’s what Canadians need to know about the new subvariants, getting boosters and the likelihood of reinfection.The Omicron subvariants BA.4 and BA.
However, he noted that because BA.4 and BA.5 are highly transmissible, the sheer number of cases could still lead to a greater strain on our health care system. Dr. Muhajarine pointed to the United Kingdom and France, where the BA.5-driven wave is leading to an uptick in hospitalizations. “We see what is happening in Europe and that is repeated in Canada three to four weeks later. That’s been the pattern all throughout the pandemic,” Dr. Muhajarine said.The symptoms of BA.4 and BA.
“The most dominant are the coldlike symptoms, which is unfortunate because you can’t tell the difference between a cold and COVID-19,” said Deonandan. “But there’s so much COVID now, you can assume that if you have a cold, it’s probably COVID.”BA.4 and BA.5 are both particularly adept at evading vaccine-induced immunity and immunity acquired from previous COVID-19 infections. A U.K. study published in the journalfound that antibodies from BA.2 are less effective at neutralizing the BA.4 and BA.
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