A past coronavirus infection may eliminate the need for a second dose of COVID-19 vaccine, a growing body of evidence suggests.In California, the U.K. variant now probably accounts for 40% of new coronavirus cases, Rutherford said, but unlike in Michigan, “it hasn’t driven the overall epidemic curve.”
The California variant is believed to be 20% more transmissible than the conventional coronavirus strains, but the U.K. variant is thought to be 50% more transmissible and more likely to cause worse illness.that the U.K. variant would crowd out the California variant. But Rutherford said, somewhat counterintuitively, that the California variant may be somehow keeping the U.K. variant at bay.
If you had to choose between the California variant and U.K. variant being more dominant, the California variant is preferable, because it’s relatively less transmissible and deadly than the U.K. variant.
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