23/09/20 00:30 from Disease X-19 from Michael_Novakhov (82 sites)One possible explanation for the dip in the number of cases in Sweden could be herd immunity . Since some of the Swedish were not wearing masks … Google Alert – sweden herd immunity Disease X-19 – diseasex19.orgDisease X-19 News Review In Brief_________________________________________________» Disease X-19 Epidemiology from
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