60-second Science

How Bird Flu Went from an Isolated Avian Illness to a Human Pandemic Threat (Part 1)

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Sinopsis

Bird flu outbreaks in poultry and cattle have caused concern for public health officials. There have been few reported cases of human transmission, but the growing risks of H5N1 avian influenza have virologists on alert. Researchers at the St. Jude Center of Excellence for Influenza Research and Response take an annual visit to Delaware Bay to collect samples of bird poop for analysis. These samples give the researchers a look at emerging avian illnesses. While spillover of H5N1 into domestic birds has been known for a while, the first case of spillover into humans was only identified during a 1997 outbreak in Hong Kong. Since then H5N1 has gone global and moved from transmitting from bird to bird to spreading from bird to mammal and from mammal to mammal. Associate health and medicine editor Lauren Young takes a sample collection walk on the beach and speaks with virus detectives about how H5N1 evolved in episode one of our three-part series about bird flu. Join us on Wednesday to learn how bird flu j