Question

what are the different means by which infectious diseases spread

Answer 1

these are spread by physical contact , Water , Food , and Air

Answer 2

The different means by which infectious disease spread are -

1. Through air - They are also called air -borne diseases . The air carries bacteria , virus and the diseases that can be caused are : common cold , influenza
2. Through food and water - When one eats drinks contaminated food/water , that contains bacteria , virus , worms etc . it can cause diseases like : cholera typhoid
3. Through contact - Many diseases spread by contact of infected person with the healthy person