With the surge in global COVID-19 cases, people wonder when a reliable vaccine can come to our rescue and become a public good? The news from professor David Ho at Columbia University, claiming the antibody “cocktail” could offer potent treatment to prevent COVID-19. Dr. Ho is an AIDS researcher, physician, and virologist. Decades ago, he invented the cocktail therapy, which saved many lives from HIV infections. Now he’s leading a team looking for a Covid-19 vaccine and therapeutical treatment.
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In This Story: HIV
The human immunodeficiency viruses (HIV) are two species of Lentivirus (a subgroup of retrovirus) that infect humans. Over time, they cause acquired immunodeficiency syndrome (AIDS), a condition in which progressive failure of the immune system allows life-threatening opportunistic infections and cancers to thrive.
Without treatment, average survival time after infection with HIV is estimated to be 9 to 11 years, depending on the HIV subtype. In most cases, HIV is a sexually transmitted infection and occurs by contact with or transfer of blood, pre-ejaculate, semen, and vaginal fluids. Research has shown (for both same-sex and opposite-sex couples) that HIV is untransmittable through condomless sexual intercourse if the HIV-positive partner has a consistently undetectable viral load.
Non-sexual transmission can occur from an infected mother to her infant during pregnancy, during childbirth by exposure to her blood or vaginal fluid, and through breast milk. Within these bodily fluids, HIV is present as both free virus particles and virus within infected immune cells.
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