When a person tests positive for HIV, it is not a test for the virus itself but for antibodies to the virus, and the test is not able to distinguish between HIV antibodies and a multitude of other antibodies. Many conditions can lead to a false positive result, including flu shots, hepatitis, and pregnancy.

If you have been vaccinated for polio, mumps, measles, chicken pox, hepatitis, or rabies, it may be too late for you to stand your ethical ground: You have already benefited from fetal-tissue research. This is, after all, a practice that's been legal since the 1930s.

My eyes were bad. I stuttered. I had hepatitis, double pneumonia, even anemia. When I was 7, my family took me on a trip to Cuba, and all my ailments disappeared. Cuba gave me health, so I've been deeply attached to Cubans ever since.

When a person tests positive for HIV it is not a test for the virus itself but for antibodies to the virus and the test is not able to distinguish between HIV antibodies and a multitude of other antibodies. Many conditions can lead to a false positive result including flu shots hepatitis and pregnancy.