Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Venn diagrams of percentages (numbers) of patients with no, a bacterial, a viral or a mixed bacterial and viral aetiology detected in (a) 3104 patients with lower respiratory tract infections (LRTI) and in (b) 141 patients with community-acquired pneumonia (CAP) in primary care.
