https://www.khanacademy.org/science/health-and-medicine/infectious-diseases/hiv-and-aids/v/what-is-hiv-and-aids 2020-07-23T09:05:51Z What is HIV and AIDS? Visit us (http://www.khanacademy.org/science/healthcare-and-medicine) for health and medicine content or (http://www.khanacademy.org/test-prep/mcat) for MCAT related content. These videos do not provide medical advice and are for informational purposes only. The videos are not intended to be a substitute for professional medical advice, diagnosis or treatment. Always seek the advice of a qualified health provider with any questions you may have regarding a medical condition. Never disregard professional medical advice or delay in seeking it because of something you have read or seen in any Khan Academy video. Vishal Punwani video https://cdn.kastatic.org/googleusercontent/n-qMB0-HML32452oVSIaSnpfOeNO5i4cST9TN07eMy_PsdPFs-uyDzJrf8uqDKBma_MxZkwbgQFPzmlmhndzHQQRKQ What is HIV and AIDS? Visit us (http://www.khanacademy.org/science/healthcare-and-medicine) for health and medicine content or (http://www.khanacademy.org/test-prep/mcat) for MCAT related content. These videos do not provide medical advice and are for informational purposes only. The videos are not intended to be a substitute for professional medical advice, diagnosis or treatment. Always seek the advice of a qualified health provider with any questions you may have regarding a medical condition. Never disregard professional medical advice or delay in seeking it because of something you have read or seen in any Khan Academy video. https://cdn.kastatic.org/ka-youtube-converted/17pfZUlAqow.mp4/17pfZUlAqow.mp4 692 Passive Immunity and immune system impairment https://www.khanacademy.org/science/health-and-medicine/infectious-diseases/hiv-and-aids/a/what-is-hivaids 2025-06-30T13:27:22.980068417Z What is HIV/AIDS? article