chronic carrier

chronic carrier

[′krän·ik ′kar·ē·ər]
(medicine)
A person who harbors and transmits an infectious agent for an indefinite period.
References in periodicals archive ?
"The challenge in eliminating chronic viral hepatitis is due to the infected person being unaware of their chronic carrier status and to the potential for them to continue to infect others for decades.
(32) Infants born to HBsAg seropositive mothers should receive 0.5 mL Hepatitis B immunoglobulin and Hepatitis B vaccine within 12 hours of birth to prevent subsequent development of infection and a chronic carrier state.
The manifestations of salmonellosis are classified into four categories: gastroenteritis, enteric fever, focal infection, and a chronic carrier state [12].
Estimated prevalence of chronic carrier state of Hepatitis B amongst high-risk groups in Pakistan13 ranges from 6-12% whereas prevalence of Hepatitis C in the high-risk population is much higher - ranging from 15-25%.
Hepatitis B (HBV) and Hepatitis C (HCV) are one of the viral types of hepatitis that leads to jaundice (a yellow discolouration of skin, mucous membrane and conjunctiva of the eye), anorexia (poor appetite), fatigue and diarrhoea and presumably it remains undiagnosed and leads to chronic carrier state but most infected individuals remain asymptomatic (1-3).
Estimated prevalence of chronic carrier state of Hepatitis B amongst high-risk groups in Pakistan ranges from 6-12% whereas prevalence of Hepatitis C in the high-risk population is much higher ranging from 15-25%.
Hepatitis B virus (HBV) infection causes a spectrum of acute and chronic liver disease ranging from inactive chronic carrier status to progressive chronic hepatitis, culminating in end-stage cirrhosis and liver cancer.
Globally, an estimated 20 million humans are infected with these viruses annually and in the world there are 350 millions chronic carrier of Hepatitis B virus (HBV).
Worldwide, there are 350 million people with chronic carrier of HBV.
If we do not have all of this information at birth, then a birth dose makes sense-even if the perinatal and/or postnatal exposure risk is small-because the subsequent risk of the infant's becoming a chronic carrier is very high if the child is unexpectedly infected in the first 6 months of life.
Infants born to HBsAg positive carrier mothers (especially in HBeAg positive cases) have a contracting chronic hepatitis B infection and of possible subsequent progression to chronic carrier state, cirrhosis and hepatocellular carcinoma.

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