'Right now, it is a kind of tsunami of variants coming at us and they all have the potential to be immune evasive.'
Public health officials are watching that sub-variant, known as BF.7, closely. They are also watching other new variants, known as BQ.1 and BQ.1.1, which are just beginning to show up in Ontario but are causing concern around the world because of their ability to evade immunity from vaccines and past infections. BQ.1 is considered among the most immune evasive variants yet.We deliver the local news you need in these turbulent times on weekdays at 3 p.m.
That means the monoclonal antibody treatments that make up a key part of the toolkit to treat patients with severe COVID-19 would not be as effective, or effective at all, against cases of the new sub-variant. Among them are BQ.1 and BQ.1.1, which are beginning to surge around the world. As of last week, just 13 cases of BQ.1 and four cases of BQ.1.1 had been genetically sequenced in Ontario, according to Public Health Ontario, which probably represent many more cases in the community.
“The real concern is what comes next. The question is whether everything comes at once and there is one winner or whether or if these things come slowly in multiple hits that come in waves, each one with a little more evasiveness,” he said.Provincial officials, who lifted the vast majority of public health measures — including masks in schools and other crowded venues — earlier this year, are also paying attention to the growth of new evasive sub-variants around the world.
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