The Latest Conclusions From the National Institutes of Health As of this posting on April 23, 2021 the full NIH document can be viewed here: https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7680614/ The existing scientific evidences challenge the safety and efficacy of wearing facemask as preventive intervention for COVID-19. The data suggest that both medical and non-medical facemasks are ineffective to… Continue reading National Institute of Health Bulletin