Nineteen influenza virus strains were examined for susceptibility to amantadine-HCl (AMT) and for pH-thresholds of haemagglutinin-induced haemolysis. Whereas pH-thresholds below 5.5 were not seen in AMT-resistant strains, AMT-sensitive strains showed pH-thresholds either below or above 5.5.

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doi.org/10.1007/BF01314156, hdl.handle.net/1765/15004
Archives of Virology
Erasmus MC: University Medical Center Rotterdam

Beyer, W., Ruigrok, R. W. H., van Driel, H., & Masurel, N. (1986). Influenza virus strains with a fusion threshold of pH 5.5 or lower are inhibited by amantadine. Brief report. Archives of Virology, 173–181. doi:10.1007/BF01314156