Respuesta :

Croup is a viral infection with obstruction of the larynx. diphtheria pertussis croup asthma. Upper airways obstruction is caused by acute viral infection.

Croup is caused by the viral infection by the para influenza virus. May contact a virus by breathing infected respiratory droplets coughed or sneezed into air. The virus particles in the form of droplets may also survive on objects like toy and other things.

Streptococcus pneumonia , hemophiliacs influenza and mozzarella catarrhalis are most common bacteria pathogens in upper and Lower respiratory tract infections.  Several croup is life threatening illness and treatment should not be delayed . Medicines decongestants and sedatives are not recommended for children with croup.

To learn more about para influenza virus here

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