SARS- - (5)
Covid-81 Covid-19 - (4)
. . - (3)
- (2)
- - (6)
" ": 1 - . .1 2 - . .2 3 - . - . 4 - . 32 - . 5 - . .3.... 19 - , 2 (2000) 20 - " ..." 21 -