What is influenza? What is the structure of the virus? Why does a virus bring it

Question

What is influenza? What is the structure of the virus? Why does a virus bring its own RDRP? Describe the process of viral entry to a host cell by endocytosis? How is it released? What is hemagglutinin (HA) and neuraminidase (NA) and what are they used for? Compare and contrast antigenic shift and antigenic drift. Which is a great concern in terms of developing vaccines. What is HIV? What type of virus is it classified as? Describe the virus, including the structure of the genome and the enzymes in the capsid. Describe the life cycle of HIV. How does HIV attach to a host cell? How does the disease progress through the 4 stages? Is it treatable? What is the basis of the treatment? What is Ebola (aka hemorrhagic fever)? How does it enter a cell? Symptoms? Treatments? Prognosis?

Explanation / Answer

Exp 7:- Influenza is a flu caused by influenza virus . ifnfluenza virus is pleomrphic enveloped virus.

Exp 8:- Those virus which Negative sense RNA contain their own RNA dependent RNA polymerase to form RNA from RNA which absent in their host

Exp 9:- Hemagglutinin are antibodies that cause agglutination of RBCs.Neuroamindidase are enzymes that break sialic acid present on cells . These enzymes are released by viruses to invade the host cells like influenza virus

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