How does AIDS spread?

The full name of AIDS is "Acquired Immune-Deficiency Syndrome", and it is a contagious disease caused by the Human Immunodeficiency Virus (HIV). Its English abbreviation is AIDS.

The transmission of AIDS is mainly through 4 channels:

(1) Transmitted by sexual intercourse, for example, sexual intercourse of homosexual or heterosexual partners, oral sex, kissing (when oral mucosa is damaged or ulcerative), etc;

(2) transmitted by blood, for example, by drug abuse via intravenous injection, etc;

(3) transmitted by mother-to-baby, that is, when a mother delivers a baby or breast-feeds a baby, or

(4) transmitted through iatrogenic channels, for example, by artificial insemination, organ transplantation, in a hospital (a medical worker carries the virus), etc.