Influenza control strategies focus on the use of trivalent influenza vaccines containing two
influenza A virus subtypes and one of the two circulating influenza type B lineages …

Influenza B viruses have circulated in humans for over 80 y, causing a significant disease
burden. Two antigenically distinct lineages (“B/Victoria/2/87-like” and “B/Yamagata/16/88 …

Introduction. At present, two phylogenetically distinct influenza B virus lineages, B/Yamagata
and B/Victoria, co-circulate worldwide and can cause significant morbidity and mortality …

Nucleotide sequences of the HA1 subunit of influenza B viruses isolated in Portugal
between 1994 and 2003 influenza winter seasons were analyzed by the Neighbor‐Joining …

A high throughput universal influenza A and B duplex real‐time RT‐PCR was developed to
meet effectively the heightened surveillance and diagnostic needs essential in managing …

Influenza B virus, which causes acute respiratory infections, has increased in prevalence in
recent years. Based on the nucleotide sequence of the hemagglutinin (HA) gene, influenza …

Two antigenically distinct lineages of influenza B viruses, the Victoria-like and Yamagata-
like strains, currently circulate among humans. Surveillance from United States of America …

The Victoria lineage represented by B/Victoria/2/87 is one of the two major distinctive
haemagglutinin (HA) lineages of influenza B virus, and its recent re-emergence has aroused …

Influenza B virus remains a major cause of respiratory diseases worldwide. Because of
limited epidemiological and genetic data, the local and global transmission patterns of …

Objective To analyze the epidemiological and genetic characteristics of influenza B virus in
Hubei province from 2016 to 2021. Methods Based on the reported incidence data of …