What is the best approach to prevent the spread of a bacterial infection? wash hands with soap for at least 20 seconds. wash hands with water only. handle food without washing your hands. wash hands with soap for five seconds.

Wash hands with soap for at least 20 seconds.

Explanation:

The disease can be spread through the contaminated food, water and soil. The individual should eat only fresh food, clean water and must wash fruits and vegetables before eating.

The bacterial infection can enter from the hands and enter in the body. The hands should be washed properly before and after eating the food. The hands must be wash with the soap atleast for 20 seconds to kill all the bacteria.

Thus, the correct answer is option (1).