### condition | illness | disease | communicable disease | contagion:

Diphtheria
* are serious diseases.
* begins as a respiratory infection with strident coughing and fever.
* can also infect the skin, causing lesions similar to impetigo
  - attack the heart and lead to paralysis
  - be a very serious infection
* can block the airway, making it impossible to breathe
* can cause blockage of the airway, making it impossible to breathe
  - damage to the ciliary nerves and is often seen with palatal paralysis
  - difficulty breathing, paralysis, and heart problems
  - paralysis, breathing and heart problems, and even death
  - serious complications such as paralysis, heart failure, and blood disorders
  - severe sickness of the nose and throat
* can lead to breathing problems, heart failure, paralysis and death
  - failure, paralysis and sometimes death
* causes a coating in the nose, throat, or airway
  - membrane to grow around the inside of the throat
* causes a thick coating in the nose, throat or airway
  - covering in the back of the throat
  - inflammation of the throat, nose and tonsils, and a high fever
* constitutes an epidemic in Russia and the number of cases continues to rise.
* disease caused by bacteria that usually affect the tonsils, throat, nose, or skin
  - seen infrequently in the United States
* disease that attacks the throat and heart
  - causes a thick coating in the nose, throat, or airway
* disease, caused by a bacteria.
* has a high carrier rate in immunized hosts.
* is an acute bacterial disease that usually affects the tonsils, throat, nose or skin
  - infectious disease
  - acute, sometimes fatal, disease caused by a bacillus
* is an infection of the respiratory tract and a major killer in developing countries
  - throat that can hurt the heart or the lungs
  - throat, mouth and nose
  - that attacks the throat, mouth and nose
  - caused by a bacteria that infects the nose, throat, and vocal cords
  - common in many parts of the world
  - endemic and epidemic in Spain
* is most common in areas where people live in crowded conditions with poor sanitation
  - low socioeconomic groups where people live in crowded conditions
  - potentially fatal, and mortality increases with delay in diagnosis
  - serious disease caused by poison or toxin produced by certain bacteria
  - spread by the cough, saliva, or mucus of a person who has it
  - transmitted through contact with an infected person or a carrier of the disease
  - uncommon in the United States
  - very expensive to treat
* medical emergency.
* rare cause
  - disease in most developed countries owing to routine vaccination of children
* remains a clinical problem in imigrant children and undocumented aliens
  - serious disease throughout much of the world
  - endemic in developing countries
* respiratory disease which causes nasal discharge, fever, malaise and sore throat
  - illness that spreads through the bloodstream and attacks the organs
* serious disease causes by poison produced from the bacteria
  - of the nose, throat and skin
* severe and sometimes life-threatening illness.
* spreads from Spain through Europe to England and America
  - person to person very easily
  - in droplets of moisture from the mouth, nose, or throat of an infected person
* spreads when germs pass from an infected person to the nose or throat of others
  - one person to the nose or throat of others
* usually affects the tonsils, throat, nose, or skin
  - attacks the throat and nose
  - occurs in children of preschool age
* very serious disease which can affect people in different ways
  - infection of the nose and throat