virus

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The adoption of a vaccine strategy for H5N2 virus in Mexico in the 1980s reduced disease signs but has not eliminated the H5N2 virus from the region; instead, vaccination may have contributed to the virus' widespread presence in Central America and to its antigenic drift (25).
We take the virus' surface proteins, remove the infectious core, and replace that genetic core with a ceramic core.
To be sure, new viral diseases occasionally emerge after a natural mutation suddenly broadens a virus' host range or virulence.
The two letters in this code name stand for the two proteins, or strings of chemicals called amino acids, that form the virus's coating: Hemagglutinin and Neuraminidase.
Then have them research to create a time line on the virus's origin and spread.