UNIT 5 – The Invisible Invaders — Infectious and Sexually Transmitted Diseases Notes
In the modern world of advanced medicine and technology, the battle between humans and microbes still rages on. From ancient epidemics to contemporary global outbreaks, infectious diseases remain one of the most persistent threats to public health. Unit 5 explores how certain pathogens — bacteria, viruses, and fungi — infiltrate the body, disrupt systems, and […]
