· compared to immunologically naïve animals, ferrets that were immune to h1n1 because of an earlier infection were protected against severe disease and death caused by a … · new research led by scientists at penn state and the university of pittsburgh suggests that immunity to the 2009 pandemic h1n1 influenza virus may provide protection … · although the number of human infections with h5n1 avian flu rose last year, along with outbreaks in dairy cows and poultry, the illnesses were mostly mild, raising the possibility … · seasonal flu immunity shields ferrets against severe bird flu understanding cross-protective immunity recent research highlights a interesting phenomenon: · studies suggest that people who had seasonal flus or vaccinations have low antibody levels against h5n1 bird flu. · in addition, ferrets with ph1n1 immunity produced antibodies that cross-reacted with h5n1 neuraminidase protein. · pre-existing immunity against seasonal h1n1 flu might help explain why most reported human cases of h5n1 bird flu in the u. s. Have not resulted in lethal outcomes, suggests … · in a ferret model of virus transmission used to study the potential of viruses to spread between people, pre-existing immunity appeared to influence infection severity in ferrets. Taken together, our results suggest that humans with immunity to … Pre-existing immunity …
Seasonal Flu Vaccine Unexpected Bird Flu Immunity New Ferret Research
· compared to immunologically naïve animals, ferrets that were immune to h1n1 because of an earlier infection were protected against severe disease and death caused...
