The structure of a complex of influenza hemagglutinin (HA) with a neutralizing antibody shows that the antibody binds to HA at a distance from the virus receptor binding site. Comparison of the ...

Paramyxoviruses have two surface glycoproteins, a hemagglutinin-neuraminidase (HN) protein and a fusion (F) protein. HN has three functions: it recognizes sialic acid-containing receptors on cell ...

Cambodia faces sudden surge in H5N1 cases, including novel reassortant virus, highlighting zoonotic risks and need for ...

Influenza strains are referred to by a shorthand code, H5N1 for example, that describes which flavors of two particular surface proteins it carries. The H (sometimes HA), is hemagglutinin, a ...

Bird flu appears to be rising in the U.S., but only among people exposed to infected animals — namely, cows and poultry.Since ...

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Completely egg-free vaccines are produced using recombinant technology. The recombinant process isolates the hemagglutinin (HA) influenza virus gene and reproduces it inside insect cells with the ...

But since then, since the publication of the paper, we’ve been concentrating on the hemagglutinin gene, which is the major surface protein of the virus, which is important in how the cell ...

Prototype universal influenza vaccines such as this one, a nanoparticle with a protein scaffold (blue) studded with influenza hemagglutinin proteins (green), could provoke an immune response to ...

The measles virus is an enveloped virus bearing a lipid bilayer. The bilayer holds the receptor binding hemagglutinin (H) protein and the fusion (F) protein. For infection to happen, the H protein ...

The year of isolation (four-digit year for viruses isolated in 2000 or later; two-digit year for viruses isolated during the 1900s); The subtype [16 possible hemagglutinin and 9 possible ...

Like SARS-CoV-2, the influenza virus, which causes flu, is an ssRNA virus. As it spreads, the surface proteins it uses to infect cells (hemagglutinin and neuraminidase) acquire random mutations. Flu ...