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.
Purification of hRSV strain R17532 on continuous iodixanol gradient. The density (g/ml, Δ), amount of hRSV genome by real-time PCR (
) and F glycoprotein by ELISA (●) was determined across the fractions. The infectivity titres (PFU/ml, x) were determined for fractions 5–9 only.
