Oseltamivir is still getting used. Looks successful, at the least like a prophylactic. They also speculate the girl could have natural immunity from her connection with ducks prior to now. * Avian influenza H5N1, excreted in significant quantities while in the droppings of contaminated birds, is endemic. Sporadic human cases https://www.dailypioneer.com/uploads/2021/epaper/june/bhopal-english-edition-2021-06-07.pdf