#questionsoncovidUnmoderated tagAll postsExplore CommunitiesTrending CommunitiesNewcomers' CommunitySteemitCryptoAcademySteemit Feedbackআমার বাংলা ব্লগKorea • 한국 • KR • KOSTEEM CN/中文Steem AllianceAVLE 일상WORLD OF XPILARComunidad LatinaBeauty of CreativityTron Fan Club#questionsoncovidTrendingHotNewPayoutsMutedalymasood (25)in #questionsoncovid • 4 years agoThe five major questions about the source of coronary disease can be found in the WHO report!The World Health Organization and Chinese experts jointly conducted the Coronary Disease Traceability Investigation…