what is virus
the viruses are small germs (pathogens) that can infect u and make us sick that can infect humans also. there are several viruses such as TMV SARS-COV19 and many . we can also affect through mosquitos .
Requirements:
what is virus
the viruses are small germs (pathogens) that can infect u and make us sick that can infect humans also. there are several viruses such as TMV SARS-COV19 and many . we can also affect through mosquitos .
Requirements:
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