It'll take about a week or two until you develop an immunity to the virus.
Health professionals say that you won't be immune for about seven to fourteen days after the vaccination.
ーIt'll take about a week or two until you develop an immunity to the virus.
「ウイルスに免疫がつくまで１〜２週間かかる」
to develop an immunity to the virus で「ウイルスに免疫がつく」
ーHealth professionals say that you won't be immune for about seven to fourteen days after the vaccination.
「医療専門家が言うのには、ワクチン接種後７〜１４日間は免疫性がない」＝「免疫がつくのに７〜１４日かかる」
to be immune で「免疫がある」
health professionals で「医療専門家」
ご参考まで！
カナダ 
