Question

what are the mechanisms of generic change in the influenza virus and what is the medical and public health impact of these changes

Answer 1

The inflenza virus changes to the 2 different ways

there are antigenic drift and antigenic shift.

Antigenic drift :

It is the one way influenza viruses changes.  the small changes in the genes of influenza viruses that can leads to changes in the surface proteins of virus: HA (hemagglutinin), NA (neuraminidase).

Antigenic shift:

The another type of changes is Antigenic shift is an , major changes is an influenza A virus, shows in the new HA or and NA proteins influenza viruses that infect the humans.

public Impacts :

Influenza is the flu is an infection called as influenza virus.

   The virus infects too the nose and throat,sometimes spreads to the lungs.

  In Canada, more than 4000 people die fro per year...