Why Masks Protect Its Wearer Too: The Virus Load Concept

Do masks only protect others? No, it also prevents you from inhaling too many viruses.

Shin Jie Yong, MSc (Res)
Microbial Instincts

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Image by rawpixel.com

We have heard the same message over and over again. Wear masks to protect others. In case one is a carrier, the mask prevents too much spreading of virus particles into the air. But have we forgotten that the reverse is true as well — that masks prevent one from inhaling too many virus particles?

Masks lower the inhaled virus load

Monica Gandhi, a professor of medicine at the University of California and director of the UCSF Gladstone Center for AIDS Research, and two other fellow professors published a perspective paper in the Journal of General Internal Medicine on 31 July. The title reads, “Masks Do More Than Protect Others During COVID-19: Reducing the Inoculum of SARS-CoV-2 to Protect the Wearer.”

“However, the second theory — that reducing the inoculum of the virus to which a mask-wearer is exposed will result in milder disease — has received less attention…”

As the title indicates, the professors argued that masks benefit all, including the wearer. The reason has to do…

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Shin Jie Yong, MSc (Res)
Microbial Instincts

Independent science writer and researcher | Named Standford's world top 1% scientists | Medium's boost nominator | Elite Powerlifter | Ghostwriter | Malaysian