Tag: facemask efficiency
Preprint: The efficacy of facemasks in the prevention of Covid-19
The probability of getting COVID-19 for mask wearers was just 7%, whereas the probability of getting COVID-19 for non-mask wearers was 52%. More...
FFP2 masks more effective at preventing Covid infection than vaccines
Max Planck: “When both wear a surgical mask, while the infectious is speaking, the very conservative upper bound remains below 30% after 1h, but, when both wear a well-fitting FFP2 mask, it is 0.4%”
We find, for a typical SARS-CoV-2 viral load and infectious dose, that social distancing alone, even at 3m between two speaking individuals, leads to an upper bound of 90% for risk of infection after a few minutes. More...