Health workers have identified more close contacts of the country’s first case of Omicron subvariant BA.2.12. With this new subvariant, health experts say the more people need to get their COVID-19 booster shots.
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Health workers have identified more close contacts of the country’s first case of Omicron subvariant BA.2.12. With this new subvariant, health experts say the more people need to get their COVID-19 booster shots.