In 1958, a new strain of influenza A with different HA and NA was identified and antigenic shift was discovered; the need for a trivalent vaccine was recognized. Technical advances have made it ...

However, this approach is strain-specific. It has limited efficacy against unexpected variants or antigenic drift and shift. Antigenic drift refers to small, gradual mutations in the influenza ...

an influenza pandemic happens with an evolutionary long-jump called an antigenic shift. “Pandemics typically occur when you have antigenic shift, meaning that there is enough of change such that ...

Antigenic shift is a process where two or more different strains of a virus combine to create a new subtype of virus. Often, this new viral strain will have a unique combination of surface antigens, ...

Shigella infection can cause severe discomfort in humans, emphasizing the need for mechanisms to understand it. With new technologies and animal models, you can see how far life science researchers ...

Age shift during the 1918 pandemic was extreme ... especially within the Sa antigenic site. Compared with seasonal influenza outbreaks, the overall impact of the 2009 H1N1 pandemic was lower ...

7 Influenza viruses constantly evolve at their surface glycoproteins via antigenic drift or shift, allowing the virus to remain a threat to the human population despite repeated exposure and immunity ...

A study published in Scientific Advances examines the impact of mass vaccination of poultry against H5 subtypes of avian influenza virus (AIV) on the spread of the virus, with an acknowledgment that ...

Like Tiny Tina's Wonderlands Shift codes, Borderlands 3's Shift rewards revolve around different types of key, which are used at a chest in Sanctuary to unlock shiny new guns. It's quite a bit ...