Today 2.7 million Americans are chronically infected with this killervirus, but only 800, 000 of them know it, so slow and insidious is the course of this disease.
But we have analysed the potential killervirus against the history of the 2009 Swine Flu and where a drugs cure for a future avian human-to-human killervirus will come far too late.
One way is to deliver the bit of the virus you want the killer cells to respond to using another virus which doesn't cause human disease a sort of vaccine Trojan horse.
The 1918 pandemic did its worst after the first human death between week 16 and week 26 after the second wave and where the virus had mutated into the deadly human-to-human mass killer.