Write a short note on covid-19 and it's impact on ecological balance
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Answer:
Coronaviruses are a group of related RNA viruses that cause diseases in mammals and birds. In humans, these viruses cause respiratory tract infections that can range from mild to lethal. Mild illnesses include some cases of the common cold (which is caused also by certain other viruses, predominantly rhinoviruses), while more lethal varieties can cause SARS, MERS, and COVID-19. Symptoms in other species vary: in chickens, they cause an upper respiratory tract disease, while in cows and pigs they cause diarrhea. There are as yet no vaccines or antiviral drugs to prevent or treat human coronavirus infections.
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covid 19 is communicable disease which transmits easily to the people by only some sneezing and coughing .So govt declared lockdown in everywhere of the country .All buses ,trains ,aeroplanes ,ship ,shop ,mall locked so many people died . .
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