What does COVID-19 mean?
an acute respiratory illness in humans caused by a coronavirus, capable of producing severe symptoms and in some cases death, especially in older people and those with underlying health conditions. It was originally identified in China in 2019 and became pandemic in 2020.
corona virusЁЯжаЁЯШ╖2019
corona virus 2019
corona virus diseases
corona virus disease 19 mtlb 2019 me aya
covid-19 is a viral disease caused by sars virus..it is infected the respiratory system
China organized vires in December - 19
Coronavirus disease (COVID-19) is an infectious disease caused by the SARS-CoV-2 virus.
COrona VIrus Disease.. first identified in 2019.. thats why it is COVID-19
The reliability of a COVID PCR test is specified as follows <br> Of people having COVID, 90% of the test detects the disease but 10% goes undetected. Of people free of COVID, 99% of the test is judged COVID negative but 1% are diagnosed as showing COVID positive. From a large population of which only 0.1% have COVID, one person is selected at random, given the COVID PCR test, and the pathologist reports him/her as COVID positive. <br> <img src="https://doubtnut-
noval corona virus COVID 19 ki pahchan china ke buhan se hui yah ek new corona virus hai
