This excess fatality rate is attributed to the physical frailty of older people, who generally recover less well from physical injuries.
motor neurons are infected in an average acute infection, with a 50% neuronal fatality rate.
Botulism occurs only rarely, but its high fatality rate makes it a great concern for those in the general public and in the medical community.
Reye's syndrome is a life-threatening emergency, with a fatality rate of about 30 to 50 percent.
These serious complications are life threatening, but with good medical treatment, the fatality rate is very low.