Recent Examples of neuraminidase from the Web
The enclosing fatty envelope (green) contains two types of protein, haemagglutinin and neuraminidase (the 'H' and 'N' in the strain's codename), the levels of which determine the strain of virus.
With 18 hemagglutinin varieties and 11 types of neuraminidase — most carried by birds — there are lots of potential combinations.
There is a group of antivirals called the neuraminidase inhibitors that are effective in treating flu, especially if treatment starts early, within two days of onset.
Immune responses to targets other than HA's head, including HA's stem and a second viral surface protein, neuraminidase, receive scant attention.
Scientists classify type A viruses into subtypes based on the combinations of the two molecules that cover the surface of the virus, hemagglutinin and neuraminidase.
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