Even asymptomatic maternal COVID-19 can potentially cause pregnancy complications

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1. Omicron triples Canada’s COVID-19 infection count, study shows By Jennifer Stranges Nearly 30 per cent of Canadian adults – nine million people – were infected during the Omicron variant wave early in 2022, compared with just 10 per cent who had been infected in the previous four waves, according to a new study led by Toronto researchers. Despite the high numbers of infections, the study also revealed that every dose of vaccine and previous infection boosted immune responses. Canadian adults with three vaccine doses and a past infection from COVID-19 had the highest protection. The findings, published in a letter to the editor in The New England Journal...
2. Unvaccinated children mount COVID-19 immune response, but vaccination may be key to strengthening immunity A new study shows that unvaccinated children mount a rapid immune response to SARS-CoV-2 which may contribute to less severe symptoms, but which may also limit the development of an immune 'memory' response to ward off future infections....
3. Study confirms heightened protection from Omicron-associated hospitalizations by COVID boosters In a recent article posted to the medRxiv* preprint server, scientists assessed the efficacy of the primary and boosted regimens of the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) vaccinations in preventing SARS-CoV-2 Omicron-linked hospitalizations in the United States (US)....