(a) An asymptomatic household contact of a case of typhoid fever or paratyphoid fever who prepares or serves food for public consumption, who attends or works in a child care group setting in a capacity which requires contact with children, or who provides direct patient care shall be required to cease work until the contact has submitted two stool specimens, taken at least 24 hours apart, to an appropriate clinical laboratory for bacteriologic examination and those specimens are determined by the laboratory to be negative for Salmonella typhi or Salmonella paratyphi.
(b) A symptomatic household contact of a case of typhoid or paratyphoid fever who prepares or serves food for public consumption, who attends or works in a child care group setting in a capacity which involves contact with children, or who provides direct patient care shall be required to cease work until bacteriologic examination of three consecutive stool specimens, taken at least 24 hours apart and no sooner than 48 hours after any microbial therapy, and no earlier than 1 month after onset, are reported as negative.
(c) A chronic carrier of typhoid or paratyphoid fever shall be excluded from preparing or serving food for public consumption, attending or working in a child care group setting in a capacity which involves contact with children, and providing direct patient care, until three consecutive negative fecal cultures are obtained from specimens taken at least 1 month apart and at least 48 hours after antibiotic therapy has stopped.
