Oseltamivir remains being used. Appears helpful, at the least as a prophylactic. They also speculate the woman could have purely natural immunity from her connection with ducks before. But it is not dominated out, since the inhabitants is usually in bad health and so more at risk of significant disease. https://www.dailypioneer.com/2023/state-editions/mohd-bablu---s-inspirational-journey-from-labourer-to-running-a-multi-crore-epc-company.html