#weakened immune system
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Đời sống
White spots on the tongue could be a sign of these things
1. Injury This injury can occur during chewing, causing the tongue to be bitten. Usually, these won’t hurt for long,…
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Sức Khỏe
A patient with Covid-19 arrived… 505 days
A British patient has been infected Covid-19 for 505 days, the longest recorded in the literature. This person was severely…
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