“There are no treatments for most viral causes of pneumonia. However, if the flu virus is thought to be the cause, antiviral drugs might be prescribed, such as oseltamivir (Tamiflu®), zanamivir (Relenza®), or peramivir (Rapivab®), to decrease the length and severity of the illness.- Cleveland Clinic
Tamiflu peak sales prior to generics-$3B
$HGEN Lenzilumab will be a Blockbuster.