Typhoid and Paratyphoid Fevers. Clinically, salmonellosis may be manifested as gastroenteritis, septicemia, or
enteric fever. Enteric fevers are caused by the human-specific
pathogensS. entericaserovars Typhi and Paratyphi. Infection
severity may vary by the resistance of each individual and
the immune system as well as the virulence of the Salmonella
isolate