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Do face masks help boost COVID immunity?

[ad_1] Credit: Pixabay / CC0 Public Domain Could the mask, already seen by many scientists as the most effective shield against COVID-19, have another benefit? Some researchers now believe that they expose users to smaller, less harmful doses of the disease that trigger an immune response. This unproven theory suggests …

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Do masks help boost immunity against covid?

[ad_1] Paris (AFP) Could the mask, already seen by many scientists as the most effective shield against Covid-19, have another benefit? Some researchers now believe that they expose users to smaller, less harmful doses of the disease that trigger an immune response. This unproven theory suggests that face masks could …

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