
disambar 2020 mein covid-19 mahamari kii samayrekha

yeh lekh disambar 2020 mein saars-cove-2 key kalakram aur mahamari vigyaan kaa dastavejikaran kartaa haye, vaha virus joe coronavirus roga 2019 (covid-19) kaa kaaran banata haye aur covid-19 mahamari key liye jimmedaar haye. covid-19 key pahale maanav mamalon kii pehchaan disambar 2019 mein chean key wuhan mein kii gaee thee.
mahamari kalakram.
1 disambar.
vishva swaasthya sangathan kii saptahik riportah
8 disambar.
vishva swaasthya sangathan kii saptahik riportah
15 disambar.
vishva swaasthya sangathan kii saptahik riportah
22 disambar.
vishva swaasthya sangathan kii saptahik riportah
29 disambar.
vishva swaasthya sangathan kii saptahik riportah
saransh.
disambar 2020 key dauran apane pahale mamalon kii pushti karane vaale desh aur kshetrah
31 disambar 2020 taka, kewal nimnalikhit deshon aur kshetron mein saars-cove-2 sankraman kaa koee mamla saamane naheen aaya haih
 africa 
 asia 
europe 
 oceania