Oseltamivir is still being used. Would seem productive, at least to be a prophylactic. Additionally they speculate the woman might have purely natural immunity from her connection with ducks prior to now. * Avian influenza H5N1, excreted in big amounts in the droppings of contaminated birds, is endemic. Sporadic human https://www.dailypioneer.com/2023/state-editions/---pm-garib-kalyan-yojana-a-historic-decision---.html