when (something) catches a cold, (something else) gets pneumonia

when (something) catches a cold, (something else) gets pneumonia

When a person, group, or entity has a problem or experiences a negative situation, a related person, group, or entity will consequently have a worse problem or will experience a more negative situation. When Paris catches a cold, Europe gets pneumonia. Terrorism in France affects security throughout the continent.See also: catch, get, pneumonia