This morning, Grandma tested positive for Influenza A. Since this cat had started coughing yesterday, I also went to the hospital for a blood test. When the results came back, the doctor said it looked like the flu (the Mycoplasma pneumoniae test was negative). Then I said I'd bring Grandma in for hospitalization. After diagnosing her with Influenza A, the doctor decisively concluded, "Then you have Influenza A too. Come on, bottoms up with this cup of Oseltamivir!" He prescribed me Oseltamivir and Fei Li Ke, and this cat joined the ranks of people taking medicine. Hahahaha.
By the way, this cat and Grandma originally lived on the mountain and had absolutely no contact with other people. We were doing just fine, but then other people came up the mountain to celebrate New Year's Day, completely breaking through our fragile greenhouse isolation system. One of the younger ones even came down with a fever and had to get an injection as soon as they got home. Sigh, we really got the worst of it.