Bosman and her colleagues were surprised that both corona and bird flu exploded. “I ended up doing corona tests on deceased birds, which of course did not work. The chairman of the animal ambulance has a biomedical background, she delved further into the literature.” The chairman thought that influenza tests, which are also used in humans, should be tried. “I tested dozens of birds and had the Dierenlot foundation take a look. You need someone who is objective.”