Question

article on covid-19 a new challenge for human beings hints - pandemic,causes,effects,preventive measures please give the answer correctly iwill make u brainliest

Answer 1

$\huge\mathcal{Covid-19}$

Since December 2019, just a month before the Chinese Spring Festival, multiple cases of pneumonia of unknown etiology appeared in Wuhan, Hubei Province, China. Later, a novel coronavirus was identified in a bronchoalveolar lavage fluid sample from the Wuhan Seafood Market using metagenomic next-generation sequencing technology.1 On February 11, 2020, the virus was named severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) by the International Committee on Taxonomy of Viruses (ICTV). SARS-CoV-2 is the seventh member of the coronavirus family that can infect humans after the emergence of severe acute respiratory syndrome coronavirus (SARS-CoV) and Middle East respiratory syndrome coronavirus (MERS-CoV). The World Health Organization announced that the novel coronavirus pneumonia epidemic caused by SARS-CoV-2 was classified as a public health emergency of international concern on January 30, 2020. The new coronavirus disease caused by SARS-CoV-2 was named coronavirus disease 2019 (COVID-19). As of March 9, 2020, a total of 80,905 laboratory-confirmed COVID-19 cases with 3123 deaths have been reported in mainland China, and the epidemic has spread to >100 countries worldwide.2 China has incorporated COVID-19 into class B infectious diseases, as stipulated by the law of the People’s Republic of China for the prevention and control of infectious diseases, and has taken preventive and control measures in accordance with Class A infectious diseases. The unprecedented number of COVID-19 cases not only in China but also in many countries has triggered the alarm for public health to respond to emerging and re-emerging diseases. A comprehensive strategy, including surveillance, diagnostics, clinical treatment, research, and development of vaccines and drugs, is urgently needed to win the battle against COVID-19 and other infectious diseases.

Answer 2

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