The application notes include recommended starting dilutions; optimal dilutions/concentrations should be determined by the end user.
1/500 - 1/1000.
The Influenza A virus is a genus of the Orthomyxoviridae family of viruses and includes only one species. Influenza A viruses are negative sense, single-stranded, segmented RNA viruses. There are several subtypes, labeled according to an H number (for the type of hemagglutinin) and an N number (for the type of neuraminidase). There are 16 different H antigens (H1 to H16) and nine different N antigens (N1 to N9).
Influenza A (H1N1) virus is a subtype of influenzavirus A and the most common cause of influenza (flu) in humans.