Alarming surge in drug-resistant HIV uncovered.

Antiretroviral drugs stop HIV from replicating in the body. (Credit: Siphiwe Sibeko/Reuters)

Health authorities have uncovered an alarming surge in resistance to crucial HIV drugs.

Surveys by the World Health Organization (WHO) reveal that, in the past 4 years, 12 countries in Africa, Asia and the Americas have surpassed acceptable levels of drug resistance…