None had clinical evidence of a recent viral lower respiratory tract infection.

About one-third of the world's population caught this acute respiratory tract infection.

Healthcare-associated Legionnaires' disease often leads to fatal respiratory tract infection among hospitalized patients.

Side effects included upper respiratory tract infection, nasal inflammation and headache.

Both are antibody-based treatments for viral respiratory tract infection in children.

The most common adverse events were diarrhea, nausea, headache, and upper respiratory tract infection.

These results suggest that in chronic lower respiratory tract infection.

Residents were eligible if they met a standardized definition of lower respiratory tract infection.

The most commonly reported adverse events were nasopharyngitis, headache, and upper respiratory tract infection.

Most patients are diagnosed when they have respiratory tract infection.

Lower respiratory tract infection is a leading cause of death in the United States.

Background: Lower respiratory tract infection is a differentiating feature of children with poorly controlled asthma.

It's dangerous because it causes a respiratory tract infection.

All patients were febrile and had upper respiratory tract infection (URTI).

Methods: The study included specimens from 130 patients with complaints suggestive of lower respiratory tract infection.

All patients had upper respiratory tract infection, whereas lower respiratory tract infection occurred in 8 patients.