Traditional Culture Encyclopedia - Traditional culture - Transmission route of hepatitis B virus
Transmission route of hepatitis B virus
maternal-neonatal transmission
Hepatitis B virus is mainly transmitted from mother to child, that is, the mother transmits the virus to the fetus. The fetus is isolated from the maternal blood system in the uterus, but hepatitis B virus can spread through the placental barrier. When nursing newborns after delivery, such as close contact or breastfeeding through mothers, it may also lead to the spread of the virus.
Vertical transmission
The positive rate of hepatitis B virus E antigen in mothers and infants almost reached 100%. This means that vertical transmission from mother to child is an important way of hepatitis B transmission. Infected babies are at risk of chronic hepatitis, cirrhosis and liver cancer.
preventive measure
In order to effectively prevent the mother-to-child transmission of hepatitis B virus, it is very important to cut off this transmission route. Taking appropriate preventive measures, such as vaccinating hepatitis B vaccine and hepatitis B immunoglobulin immediately after birth and avoiding breastfeeding, can reduce the risk of mother-to-child transmission.
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