38 FACEMASK STUDY: The existing scientific evidences challenge the safety and efficacy of wearing facemasks as preventive intervention for COVID-19. The data suggest that both medical and non-medical facemasks are INEFFECTIVE to block human-to-human transmission of viral and infectious diseases. (www.ncbi.nlm.nih.gov) posted 3 years ago by axolotl_peyotl 3 years ago by axolotl_peyotl +39 / -1 11 comments share 11 comments share save hide report block hide replies
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