### condition | illness | disease:

Pneumonia
* also causes coughing in dogs, amongst other symptoms
  - kills several elderly people who contract the condition
* can also occur as a result of the flu.
* can be a life threatening situation
  - result of an infection, or secondary to other conditions
  - serious health problem
  - very serious and sometimes life-threatening condition
  - an early sign of infection
  - serious for a three-year old
  - very costly in terms of medication, labor and death losses
* can be viral or bacterial in nature and can also result from yeast or fungus infections
  - develop
  - present as acute mental status change, or a fall
* can range from a mild illness to a life-threatening condition
  - in seriousness from mild to life threatening
  - sometimes develop in patients who are lying in bed right after surgery
* causes fever, difficulty breathing, cough, and chest pain.
* challenging infection for patients.
* common cause of death
  - complication when fluid buildup has occurred
  - illness that affects people in all age groups
  - secondary infection in an asper bird
* complication that can follow bronchitis.
* disease that causes the alveoli to fill up with fluid.
* fairly common infection that affects people of all ages.
* frequent complication of the disease and a cause of pertussis-related deaths.
* has an associated risk of death when untreated
  - symptoms including coughing with a lot of sputum, fever, chills, and chest pain
* is almost invariably present, most frequently interstitial
  - also a threat if the chlamydia spreads into the infant's lungs
  - among the leading causes of death from all hospital-acquired infections
* is an acute infection of the lungs caused by bacteria or virus
  - extremely deadly disease and is responsible for a large number of infantile deaths
* is an important cause of death in the elderly
  - mortality in intensive care units
  - infection and inflammation of the lungs
* is an infection in the lung tissue
* is an infection of the air passages in the lungs
  - lung, which can be caused by a virus, bacteria, or a chemical
* is an infection of the lungs caused by either bacteria or viruses
  - that can be caused by bacteria, viruses, or fungi
  - that can be caused by many different microorganisms
  - where the air sacs become congested
  - tissues of the lung
  - or inflammation of the lungs
* is an infection that can be caused by bacteria or by a virus
  - inflames the calf's lungs
* is an inflammation of the lung, usually caused by infection
  - lungs caused by bacteria, viruses, or chemical irritants
  - or infection of the lungs
  - inflammatory process of infectious origin affecting the pulmonary parenchyma
* is caused by a variety of agents such as bacteria, viruses, and mycoplasmas, among others
  - microscopic and submicroscopic organisms that infect the lung tissue
* is common in rats, rabbits and guinea pigs
  - tularemia
  - young, small ruminants
  - highly contagious and can kill dozens of pigs quickly
  - lung inflammation
  - most likely to occur in the winter months
  - now widespread in Palestine
  - often evident on chest x-ray
* is one of the complications of the flu
  - which appears after an influenza outbreak
  - most common complications of acute spinal cord injury
  - possible because fluid in the lungs provides an ideal growth medium for bacteria
  - rare and most affected rats have upper respiratory tract disease only
  - second in importance to diseases of the digestive tract
  - still a common disease
* is the cause of most pertussis-related deaths
  - commonest presentation of melioidosis
  - fifth leading cause of death, especially in the very young and the elderly
* is the leading cause of child death in India
  - hospitalizations in Oklahoma
  - mortality and morbidity in bohol for several years now
* is the most common cause of death
  - infectious disease of the lung leading to death
  - sixth leading cause of death in Nebraska
  - transmitted in the air by coughing, sneezing or talking
  - usually a complication of a cold
  - very common, associated with cold air exposure, and treated with cupping in the home
  - when the infection gets into the lungs
* known cause of abdominal pain.
* later complication in the injured lung.
* leading cause of death among senior citizens.
* lung infection usually caused by viruses and bacteria
  - infection, and septic arthritis attacks joints
* major cause of disease and death in foals.
* major cause of morbidity and mortality in burn victims
  - in older people
  - killer of young kids
* rare and serious complication from chickenpox.
* really bad illness that both humans and dogs can get.
* respiratory complex with no single agent being solely responsible for the disease.
* serious illness.
* serious infection and inflammation of the lungs
* treated with antibiotics often goes away and causes no long-term effects.