HORTICULTURE SCIENCE
PLANT BIOTECHNOLOGY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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a virus
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fungus
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parasite
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bacterium
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Detailed explanation-1: -Overview. Seasonal influenza is an acute respiratory infection caused by influenza viruses which circulate in all parts of the world. There are 4 types of influenza viruses, types A, B, C and D. Influenza A and B viruses circulate and cause seasonal epidemics of disease.
Detailed explanation-2: -Influenza is caused by Influenza virus. Influenza virus spreads by droplet infection. The droplets carrying the virus are released in the air by the coughs and sneezes of the infected person.
Detailed explanation-3: -Aquatic birds are the primary source of Influenza A virus (IAV), which is also widespread in various mammals, including humans and pigs. Influenza B virus (IBV) and Influenza C virus (ICV) primarily infect humans, and Influenza D virus (IDV) is found in cattle and pigs.