Understanding Infectious Diseases and Transmission

The video explains how people are exposed to harmful organisms daily and how the immune system defends against them. It covers infectious diseases caused by pathogens like bacteria and viruses, and discusses various transmission methods, including direct and indirect contact, contaminated water and food, and animal vectors like mosquitoes. The video highlights the global impact of diseases such as malaria and dysentery.

What are some examples of infectious diseases mentioned in the text?

What are pathogens and what role do they play in infectious diseases?

Describe the different ways infectious diseases can be transmitted.

How can contaminated water or food lead to infectious diseases?

What is the impact of malaria as described in the text?