BIOLOGICAL CLASSIFICATION
VIRUSES
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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true
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false
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Either A or B
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None of the above
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Detailed explanation-1: -Flu is a contagious respiratory illness caused by influenza viruses that infect the nose, throat, and sometimes the lungs.
Detailed explanation-2: -Influenza, also known as the flu, is a highly contagious respiratory illness caused by influenza viruses.
Detailed explanation-3: -Influenza is a viral infection that affects mainly the nose, throat, bronchi and, occasionally, lungs. Infection usually lasts for about a week and is characterized by sudden onset of high fever, aching muscles, headache, and severe malaise, non-productive cough, sore throat, and rhinitis.
Detailed explanation-4: -Influenza is caused by infection of the respiratory tract with influenza viruses, RNA viruses of the Orthomyxovirus genus.