augieray, For the "masks don't work" crowd:
"Our results support universal masking as an important strategy for reducing #Covid19 incidence in schools and loss of in-person school days." #WearAMask
augieray, For the "masks don't work" crowd:
"Our results support universal masking as an important strategy for reducing #Covid19 incidence in schools and loss of in-person school days." #WearAMask