Interpretation:
The process by which flu virus changes and worries the World Health Organization (WHO) and Center for Disease Control (CDC) have with respect to flu viruses should be explained.
Concept Introduction:
The flu is the most extensively spread ailment in the world. It influences animals including mammals. The flu is the outcome of a viral infection. A virus known as influenza causes flu in living creatures. Various individuals in the past have lost their lives because of flu epidemics.
Two major proteins are found in the flu virus, that is, neuraminidase and hemagglutinin. The hemagglutinin protein acknowledges the target cell of the host, and the neuraminidase protein infiltrates the mucus and enters the cell of the host.
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