What Stds Can Be Transmitted Through Blood?

Several STDs can transmit through blood contact, including HIV, hepatitis B, hepatitis C, and syphilis. HIV transmission through blood occurs in approximately 90% of needle-sharing cases among injection drug users. Hepatitis B is highly infectious through blood, with transmission rates up to 30% from infected needles. Hepatitis C spreads through blood contact in about 1.8% of exposures. Syphilis can transmit through blood transfusions, though screening has made this rare. Common transmission routes include sharing needles, contaminated medical equipment, and blood transfusions from unscreened donors. Healthcare workers face occupational exposure risks during procedures involving infected blood.

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