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microbiology

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Vitamin D, Dust and COVID-19

Vitamin D, Dust and COVID-19 More lectures on drbeen.com Looking to support my educational work? Donate here: Vitamin D’s effect is reduced by dust. Hence, the severity of COVID-19 is increased. Let’s see how? #koolbeens #drbeen #COVID19

Day 1 A big mix

Hi everyone! It’s your girl variety starch and I’m back with a video!!! I will be trying to upload for 25 days straight💛 ! Warm welcome to Variety 25 days of Christmas starch! Today we are having a powder video!…