Science, asked by hk360477gmailcom, 2 months ago

how covid-19 has occurred

Answers

Answered by anushka0290

Answer:

On 31 December 2019, WHO was informed of cases of pneumonia of unknown cause in Wuhan City, China. A novel coronavirus was identified as the cause by Chinese authorities on 7 January 2020 and was temporarily named “2019-nCoV”.

Answered by sampabasu0166

Answer:

covid 19 occur due to virus

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