Universal Flu Vaccine: Pandemic Viruses May Give Clues

An article from LiveScience
August 14, 2013
Universal Flu Vaccine: Pandemic Viruses May Give Clues

 

August 14, 2013 -- A good strategy for developing a universal flu vaccine may be to try to mimic the body's natural immune response to a pandemic flu virus, a new study suggests.

The researchers wanted to examine changes in the immune system that result from a lifetime of exposure to flu viruses, so they analyzed blood samples from 40 people, ages 35 to 70, over a 20-year period.

Participants who had been exposed to two particular strains of pandemic flu viruses — H2N2 in 1957, and H1N1 in 1977 — had increased levels of special immune proteins called broadly neutralizing antibodies.

Read the rest of the article here.