Biology is usually the first science high school students are taught because it has less of a focus on math than other science subjects, so freshman have time to develop their math skills before moving on to more math-focused sciences.
HIV can be transmitted from an HIV-positive woman to her child either during pregnancy, or during labour and delivery, or by breastfeeding.In Europe and the USA, about 15 to 20% of babies born to HIV-positive women who are not taking anti-HIV drugs are infected.IV can be transmitted from an HIV-positive woman to her child either during pregnancy, or during labour and delivery, or by breastfeeding.
What a POSITIVE Result Means: â¢ A positive HIV test means that a person is infected with HIV and can transmit the virus by having sex, sharing needles, childbearing (from mother to child), breastfeeding, or donating organs, blood, plasma, tissue, or breast milk.