Correct option is B
HIV stands for Human Immunodeficiency Virus. It is a retrovirus that specifically attacks the immune system, particularly the CD4 (T-helper) cells,
• Transmitted through unprotected sex, contaminated blood, needle sharing, and mother-to-child transmission.
• Early detection through ELISA or PCR testing helps prevent transmission.
• India has the third-largest HIV epidemic globally, with efforts led by NACO (National AIDS Control Organisation).
• HIV testing is important for effective treatment with antiretroviral therapy (ART).
• HIV/AIDS awareness is globally marked on December 1 (World AIDS Day).