Digestive disorders may occur in the late stages of the disease, with chronic carriage.

In addition, after recovering from typhoid fever, fewer than 5% of people continue to be infected (chronic carriers).

If this is the case an intervention limiting the production of biofilm, would decrease the chronic carriage in mammals.

Nasal diphtheria may be mild and chronic carriage of the organism frequently occurs; asymptomatic infections are common.

In addition, after recovering from typhoid fever, fewer than 5% of people continue to be infected (chronic carriers).

In addition, after recovering from typhoid fever, fewer than 5% of people continue to be infected (chronic carriers).

Nasal diphtheria may be mild, and chronic carriage of the organism frequently occurs; asymptomatic infections are common.

In Phase II (1991-1997), the efficacy of the vaccine against infection and chronic carriage was estimated.

In Phase II (1991-1997), the efficacy of the vaccine against infection and chronic carriage was estimated.

The virus can lead to a state of chronic carriage, which can lead many years later to serious complications: cirrhosis and liver cancer.

Chronic carriage of S. Typhior S. Paratyphi A has been associated with an increased incidence of carcinoma of the gallbladder and of other GI malignancies.

Chronic carriage of S. Typhi or S. Paratyphi A has been associated with an increased incidence of carcinoma of the gallbladder and of other GI malignancies.

The prevalence of chronic portage HBsAg is 2% - 7% in Japan, South America, Eastern and southern Europe, parts of Central Asia and Alaska natives.

In Phase I, vaccine efficacy was shown to be 84% against infection and 94% against chronic carriage at 9 years of age (Fortuin et al., Lancet 341: 1129, 1993; Viviani et al., Vaccine, 17: 2946, 1999).