GCSE Biology - What Is a Virus? - Examples of Viral Disease (HIV, Measles & TMV) #36

The video explains what viruses are, highlighting their non-living nature and ability to reproduce within host cells. It covers three viral diseases: measles, HIV, and tobacco mosaic virus (TMV). Measles is spread through droplets and causes a rash and fever, but is rare in the UK due to vaccination. HIV is transmitted through bodily fluids and weakens the immune system, leading to AIDS if untreated. Antiretroviral drugs can help manage HIV. TMV affects plants, causing discolored patches that hinder photosynthesis and growth.

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