Figure 4.
Respiratory viruses isolated using nasal swab PCR at the time of the first acute respiratory tract infection are shown in relation to the infants MBL cord blood concentration and to the age at onset.
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.