MedXpress  April 27, 2022 H3N8 is known to have been circulating since 2002 after first emerging in North American waterfowl. It is known to infect horses, dogs, and seals, but has not previously been detected in humans. China’s National Health Commission on Tuesday said a four-year-old boy living in central Henan province tested positive for the strain after being hospitalized earlier this month with a fever and other symptoms. The boy was infected directly by birds and the strain was not found to have “the ability to effectively infect humans”, the commission said. The H5N1 and H7N9 strains of bird […]