2/10/2024 0 Comments Hep b transmission to babyĪcute hepatitis C infection occurs during the first 6 months after exposure. Hepatitis C virus (HCV) is a partially double-stranded, plus-sense RNA virus with 11 major genotypes and 15 different subtypes. Other modes of transmission include sexual intercourse, body fluids, and blood transfusion. Pregnant women with chronic hepatitis B and positive hepatitis B virus E antigen (HBeAg) have a 90% likelihood of their newborns being infected with the hepatitis B virus. Perinatal transmission accounts for more than 50% of cases worldwide. Hepatitis B virus does not cross the placenta and cannot infect the fetus unless there have been breaks in the maternal-fetal barrier. ![]() Chronic hepatitis B infection is associated with cirrhosis and hepatocellular carcinoma. ![]() Hepatitis B virus (HBV) is an enveloped virus, partially double-stranded virus, circular DNA genome, and belonging to the family Hepadnavirus. Intrauterine and perinatal transmission of Hepatitis A is a rare occurrence. There has been no report of chronic sequelae among persons infected with hepatitis A. Hepatitis A is also transmitted through sexual contact. Hepatitis A virus has the highest concentration in the feces, serum, and saliva, respectively. The average incubation period for hepatitis A is 30 days. The virus can be transmitted through sexual contact and rarely through blood exposure in injecting drug users during a blood transfusion. ![]() This is most prevalent in developing countries with poor hygiene and sanitation, which results in food and water contamination. The virus is mostly transmitted through the fecal-oral route. Hepatitis A virus is a positive-sense, single-stranded RNA virus belonging to the family Picornaviridae.
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