Fig. 8: LFA of I223R/H275Y pH1N1 in human nasal fluid samples using A4.

Optical images of A4-based lateral flow systems after detection of influenza-positive nasopharyngeal swab samples a in the absence or b presence of I223R/H275Y pH1N1 (103 PFU).
Optical images of A4-based lateral flow systems after detection of influenza-positive nasopharyngeal swab samples a in the absence or b presence of I223R/H275Y pH1N1 (103 PFU).