Study says what protects against BA.5

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A study from Denmark provides new insights into the effectiveness of vaccination against the omicron mutant BA.5.
Vaccination alone was long thought to protect against the corona mutant effectively. A study from Denmark provides new insight.

Worldwide, it is currently being observed that distinctions are becoming increasingly crucial regarding which variants a population was infected with. This is because not all corona variants protect equally well against waves of new variants: for example, BA.5 has already been the predominant variant in Austria for weeks – 75 percent of all corona infections are currently attributable to it. Now, researchers from Denmark provide a study showing what is effective against the mutant – vaccination alone no longer helps.

It protects against BA.5
The researchers compared immunity from infection with protection from the vaccine; they also estimated the severity of BA.5 compared with BA.2. As in many other countries, Denmark experienced a large wave of omicron between December 2021 and February 2022, with 35 percent of the adult population becoming infected during those three months.