The vanishing flu strain: Why Canada’s seasonal vaccine is changing – National
A strain of seasonal influenza has completely vanished globally since March 2020, and due to its disappearance, health officials in Canada are changing up the annual flu vaccine. The B/Yamagata influenza strain, once a dominant force among influenza B viruses, may have vanished entirely due to the stringent measures imposed during the COVID-19 pandemic, according … Read more
