Biology - Microbiology - Infectious diseases - How Diseases Spread
Five sections on disease transmission. Section 1: 'PATHOGENS - Disease-causing organisms: bacteria (TB, cholera), viruses (flu, COVID), fungi (athlete's foot), protists (malaria). They damage cells or produce toxins.' Section 2: 'TRANSMISSION ROUTES - Airborne (droplets: flu, TB), Direct contact (to