However, antigenic shift generates novel lineages to which immunity is therefore often very poor across the population. Consequently, pandemics are nearly always a result of antigenic shift events.

Antigenic shift is the molecular alteration of an antigen so that the human immune system can no longer recognize it, this increases it's pathogenicity so that individuals who have previously been ...

Antigenic shift, which is seen only with influenza A viruses, results from the replacement of the hemagglutinin and sometimes the neuraminidase with novel subtypes that have not been present in ...

Antigenic shift is a specific case of reassortment or viral shift that confers a phenotypic change. Antigenic shift is contrasted with antigenic drift, which is the natural mutation over time of known ...

Tamping down on Omicron may increase the risk of an ‘antigenic shift’ to a far deadlier supervariant. By . Vivek Ramaswamy. and . Apoorva Ramaswamy. Share. Resize. Listen (2 min) ...

Antigenic shift is a major reshuffling of proteins in the virus that results in a new subtype combination of neuraminidase and hemagglutinin surface proteins, in science-speak.

Every now and then, the virus changes dramatically in a process called antigenic shift. When this occurs, people become even less immune, and the likelihood of disease spread dramatically increases.

Antigenic drift produces the substrains that cause the yearly epidemics, whereas antigenic shift causes pandemics, such as the 2009 worldwide pandemic caused by the “swine flu.” ...

Every now and then, the virus changes dramatically in a process called antigenic shift. When this occurs, people become even less immune, and the likelihood of disease spread dramatically increases.

As part of the host-pathogen arms race, viruses are continually evolving to evade the host immune response, be it from previous infection or immunity acquired through vaccination. Here we take a look ...