Worth reading the actual article, but for those who won't: The article is referring to the B/Yamagata lineage of influenza becoming extinct, which is only one o

Worth reading the actual article, but for those who won't: The article is referring to the B/Yamagata lineage of influenza becoming extinct, which is only one of the four main lineages of influenza. The other lineages circulate in animals thus will be a bit harder to eradicate. Also, this lineage was also already on the way out, lacking the genetic diversity of the other lineages. Still, interesting news!