Raw Story | New H7N9 bird flu confirmed to be drug-resistant Raw Story They also noted that two of the drug resistant patients had also been treated with corticosteroids, a drug that is also widely used in flu treatment. The team said there should be further studies to determine whether corticosteroids may aid drug ... Tamiflu Resistance Confirmed in H7N9 Flu Cases Study warns drug resistance develops easily with new H7N9 bird flu H7N9 Bird Flu Showing Resistance To Only Known Treatment |