Clinical features of patients infected with 2019 novel coronavirus in Wuhan, China – The Lancet
— Read on www.thelancet.com/journals/lancet/article/PIIS0140-6736(20)30183-5/fulltext

“Given the emergence of the 2019-nCoV pneumonia cases during the influenza season, antibiotics (orally and intravenously) and oseltamivir (orally 75 mg twice daily) were empirically administered.”

Posting because China may have thought it was just complications from the flu, originally.