“…The causal agent is Salmonella typhi, a bacilli-forming gramnegative bacteria. Typhoid fever has been reported from countries as diverse as the United States (Lin et al 1988), the United Kingdom (Fallon et al 1988), The Netherlands (Fallon et al 1988), Southern Europe (Fallon et al 1988), Egypt (Afifi et al 1976), Israel (Egoz et al 1988;Finkelstein et al 1988), India (Fallon et al 1988), Thailand (Bodhidatta et al 1987) and Taiwan (King et al 1989).…”