Seattle (tca/dpa) — While Omicron subvariants have evolved to evade antibody responses from the primary Covid-19 vaccine series, a new laboratory study led by researchers in the US suggests boosters may offer some protection against serious disease. An international research team analysed plasma samples from people who had been infected with Covid-19 before vaccines were available, from those who had completed only a primary vaccine series, and from others who had been boosted with currently available vaccines. Led by the lab of David Veesler, associate professor of biochemistry at the Univers…

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