“…However, Davies et al (1) and Grunert et al (2) reported that treatment with amantadine HCl as late as 72 hr, but not 96 hr, after infection time reduced mortality and increased survival time of mice infected with influenza A2/AA/2/60. However, Davies et al (1) and Grunert et al (2) reported that treatment with amantadine HCl as late as 72 hr, but not 96 hr, after infection time reduced mortality and increased survival time of mice infected with influenza A2/AA/2/60.…”