167 studies and pieces of evidence/reporting showing COVID face masks (blue surgical and white cloth/man-made) and mandates are ineffective and harmful
167 studies and pieces of evidence/reporting showing COVID face masks (blue surgical and white cloth/man-made) and mandates are ineffective and harmful
I looked at this ) The Impact of Community Masking on COVID-19: A Cluster-Randomized Trial in Bangladesh, Abaluck, 2021 - and the difference in symptomatic Seroprevalence was always a fraction of a percent
I looked at this ) The Impact of Community Masking on COVID-19: A Cluster-Randomized Trial in Bangladesh, Abaluck, 2021 - and the difference in symptomatic Seroprevalence was always a fraction of a percent