The influenza cell isn't just ONE virus but many, with two protiens that grow in ever changing combinations. New virus cells meet each other and mutate again; making this shape shifting difficult for scientists to pin down.
The Influenza Virus Cell
The influenza is so serious that the World Health Organization meet twice a year to analyze the data sent in from collection centers around the globe. The goal is to chose which strains to focus on when making new vaccines to avoid global pandemic.
The Role of the World Health Organization
It may surprise some to know the influenza vaccine is made in eggs. One virus is injected into one egg, which it treats as one cell and it replicates from there. The vaccine makers let the virus incubate, then carefully process it into a vaccine.
Making the Influenza Vaccine
Scientists face skepticism in getting the public to get flu shots. With some years having more unsuccessful vaccines, fear vaccines give you the flu, or vaccines are harmful to children, people avoid them. Scientists work to debunk these theories
Myths About the Flu Shot