Hepatitis B virus (HBV) and HIV are bloodborne viruses transmitted primarily through sexual contact and injection-drug use.
Hepatitis B virus (HBV) and HIV are bloodborne viruses transmitted primarily through sexual contact and injection-drug use. Because of these shared modes of transmission, a high proportion of adults at risk for HIV infection are also at risk for HBV infection.
HIV, the hepatitis B and hepatitis C viruses can also be spread by sharing needles, syringes, and other injection equipment. It can transfer from mother to child Pregnant women can pass these infections to their infants. HIV-HCV coinfection increases the risk of passing on hepatitis C to the baby. The hepatitis C virus is usually spread when someone comes into contact with blood from an infected person.
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Answer:
C. 3
Explanation:
An embryo forms three distinct cell layers, and each layer develops into different types of cells and organs.
Answer: Concrete operational stage
Explanation: Concrete operational stage is the third stage of Piaget’s theory, that deals with cognitive development of a child. Concrete operational stage comes after the preoperational stage, which occurs between 7-10 years of age. Optimum use of logic is usually seen during this period.
However, the ability to view things from another individual’s perspective is acquired by the child during this stage, regardless of what they think happened.
