The most potent risk factor in the development of<unk><unk>  is exposure to rodent excreta and close contact with<unk> -infected humans.
Hantavirus infection risk factors
Dengue fever risk factors
Japanese encephalitis risk factors
Coronavirus risk factors
Paratyphoid fever risk factors
Tick-borne encephalitis risk factors
Typhoid fever risk factors
St. Louis encephalitis risk factors