As the Omicron variant of the Covid-19 virus spreads over the world, the it is giving further signs about what it might have in store: A highly transmissible virus that can be slowed but not halted by today’s immunizations and can cause less severe sickness.
According to a Tuesday study of the data from South Africa, where the new variety is causing a surge in infections, the Pfizer vaccination provides less protection against omicron infection and less, but still enough protection from hospitalisation.
Although the findings are preliminary and have not been peer-reviewed, they are consistent with other early data about omicron’s behaviour, such as the fact that it appears to spread more easily from person to person.
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