Atypical Pneumonia is a lower respiratory tract infection
caused by some types of bacteria namely Mycoplasma pneumoniae, Chlamydophila
pneumonia, Legionella pneumophila and rarely Chlamydophila psittaci, which is
contracted from infected birds.
Mycoplasma Pneumoniae usually infects people below 40yrs
with mild pneumonia symptoms such as earaches, headaches, and a sore throat.
Chlamydophila pneumoniae is common in school-aged children and young adults.
Legionella pneumophila sometimes called Legionnaires' disease is more severe
and most often infects older adults, smokers, and those with weakened immune
systems.
Mode of Spread
Atypical pneumonia is a contagious disease, spreading
through close contact with an infected person. Coughs and sneezes that contain
the infectious pathogens pass through the air from person to person. Also, the
bacteria can survive on a person's hands and spread if they rub their eyes or
touch their mouth. Legionnaires' disease usually occurs after breathing in
droplets of infected water, rather than through close contact with infected
people. Atypical pneumonia can infect anyone. However, people most vulnerable
to the infection are people above 65yrs, those with impaired immune systems,
smokers, children under the age of two, those with chronic respiratory
condition, people that live or work in places prone to outbreaks of atypical
pneumonia such as nursing homes, schools and college dorms, hospitals, military
barracks and other public places.
Symptoms
The symptoms of atypical pneumonia may vary depending on the
type of bacteria causing the infection. Usually symptoms of atypical pneumonia
begins slowly. It takes longer to appear compared with other common infections
such a common cold, flu viruses and typical pneumonia. An infected person may
not notice symptoms until 1-4 weeks after exposure to the infection. Once
symptoms emerge, they tend to get worse over the next 2-6 days.
Symptoms may include sore, dry, or itchy throat; chest pain
when breathing deeply; Persistent cough that may come in fits during the day; flu-like
symptoms, such as fever, chill, or cold sweat; persistent headache; aches and
pains in the muscles and joints; weakness or fatigue. An infected person may
also experience secondary conditions, such as rashes or ear infections,
especially if they have a weakened immune system.
Treatment
Usually, the infection presents mild symptoms than typical
pneumonia, and the infection may go away on its own. However, severe infections
can require hospitalization. Anyone with symptoms of atypical pneumonia should
consult a doctor.