PCR (Polymerase Chain Reaction Test) Topic Guide
PCR (Polymerase Chain Reaction): PCR (polymerase chain reaction) is technique in molecular genetics that analyzes short sequences of DNA or RNA. PCR is used to help doctors diagnose HIV, viruses, and fungi in patients. RT-PCR is a test used to detect and measure RNA.
What Are HIV and AIDS? HIV has killed about 25 million individuals, and approximately 40 million people are currently living with the disease. Symptoms and signs of HIV include fever, headache, tiredness, and enlarged lymph nodes. Infections that happen with AIDS are called opportunistic infections. There is no cure for HIV/AIDS. Treatment usually involves a combination of at least three drugs to suppress the virus from replicating and boost the immune system.