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Jay Butler

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US health official says COVID-19 boosters could risk more serious side effects

US health official says COVID-19 boosters could risk more serious side effects

Butler said he has not seen any evidence of waning immunity to COVID-19 among US residents who received shots in December or January.
Wed Jul 14 2021
COVID-19: CDC Amerika Syarikat tukar definisi kontak rapat

COVID-19: CDC Amerika Syarikat tukar definisi kontak rapat

CDC memberi perincian, kontak rapat kini bermaksud, individu yang menghabiskan sejumlah masa selama lebih 15 minit dalam tempoh 24 jam, walaupun tidak secara berterusan.
Thu Oct 22 2020