Question

When there is an outbreak of an infectious disease, such as SARS or Ebola virus, airports will often screen potential passengers and not allow individuals with a fever to board an international flight. They are looking for ___________ of infection.

Answer 1

Answer: Signs

Explanation: Signs of infection is the very first indication that describes about any severe infection taking place in the body . Signs can be sensed by observing a person carefully. Usually the sign of infection that can be easily observed is fever , temperature of the body rising above the normal temperature, shivering, headache , feeling sick etc.

The case mentioned in the question describes about the sign of infection that the airport officials are looking for in the passengers.If they find someone with sign and symptoms of infectious disease like Ebola virus etc , they will not let them board on the flight for the safety of others because it can spread through contact of one person to other.