As Covid-19's Delta variant continues to spread worldwide, doctors say it can cause more hospitalisations than the original strain
But the experts said more work is needed to compare outcomes among larger numbers of individuals in epidemiologic studies to sort out whether one variant causes more severe disease than another.
Delta is as contagious as chickenpox and far more contagious than the common cold or flu, according to the CDC report. For vaccinated, otherwise healthy individuals, the odds are that if they contract Covid-19 they will only experience asymptomatic or mild disease, said Dr."But they can pass it on to family members and others who may not be so lucky," Poland said. "We have to be vaccinated and masked or we will, for the fourth time now, endure another surge and out of that will come worse variants.
"It is hard to tell if they are more sick because of the Delta variant or if they would have been more sick anyway," she said.
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