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Berlin – A German scientist said Tuesday the entry of faeces from infected poultry into the food chain via fish was a likely cause of the global spread of bird flu – and not migrating wild birds.
‘We are moving away from the assumption that migrating birds are the cause,’ said Josef H. Reichholf, a zoology professor at Munich’s Technical University, in a comment published by the newspaper Die Welt.
Reichholf said the spread of the virus from east to west did not follow the main routes of migratory birds and was also taking place at the wrong time of year.
Poultry faeces likely cause of bird flu spread, German expert says