新型コロナウィルス感染防御に関するチェーンメールについて
新型コロナウィルス感染防御に関するチェーンメールについて
chain message manual on how to prevent infection supposedly written by keio university professor hideyuki saya
coronavirus spreads during meal times, and other information in infection prevention 'manual' claimed to be authored by keio university professor
spread preventative measures supposedly from a credible source
general public
coronavirus, japan, keio university, manual, hideyuki saya