Researchers behind the theory say that wearing face masks can make people less ill, or asymptomatic, because the veils reduce the infectious dose they are exposed to.
If the theory proves, masks can become a universal form which, according to experts, will create immunity.
Repeated exposure to small amounts of Kovid-19 can train the body to recognize disease and fight it, effectively immunizing them.
However, the theory, detailed by scientists at the University of California, would not prove beyond a reasonable doubt because it would require clinical trials to expose the virus to people with and without masks, a violation of ethics.
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The theory was published in the New England Journal of Medicine.
Experts stressed that this is just a theory and that maskers should not try to be gentle or try to catch the virus in the hope that it will build immunity.
An infectious disease doctor Dr. Monica Gandhi wrote in the paper: “You may have this virus but be asymptomatic.
“So if you can drive rates of asymptomatic infection with masks, it probably becomes a way of infecting the population.”
She told the Sunday Telegraph: “To test the variability hypothesis, we will need more studies comparing the strength and durability of SARS-CoV-2-specific T-cell immunity between people with asymptomatic infection and those with symptomatic infection .Display of natural slowing of SARS-CoV-2 spread over areas with a high proportion of asymptomatic infections.
“However, it is true that masking can increase the proportion of asymptomatic infections, while at least receiving short-term immunity to the virus while waiting for a vaccine.”
Critics are concerned that the theory may have decency or unnecessary risk.
Saskia Popescu, an Arizona-based infectious disease epidemiologist, told the New York Times, “It feels like a leap. We don’t have much to support it.
“We still want people to follow all other prevention strategies.
“This means being cautious about crowd avoidance, physical disturbances and hand hygiene – behaviors that overlap in their effects, but they cannot replace each other.”
Today Britain records around 3,500 more cases of the deadly virus, as officials scramble with a rapid R-rate.