Question

how do we protect ourselves from biological disasters

Answer 1

If you become aware of an unusual and suspicious substance nearby:

Move away quickly.Wash with soap and water.Contact authorities.Listen to the media for official instructions.Seek medical attention if you become sick.

If you are exposed to a biological agent:

Remove and bag your clothes and personal items. Follow official instructions for disposal of contaminated items.Wash yourself with soap and water and put on clean clothes.Seek medical assistance. You may be advised to stay away from others or even quarantined

Answer 2

We can protect ourselves by:
Building houses according to the season to be safe
Incase of earth quakes , go under furniture