Type Virus EC50
A A/PR/8/34 (H1N1) 14 nM
A A/CA/04/09 (H1N1, 2009 pandemic) 11 nM
A A/PH/2/82 (H3N2) 21 nM
A A/AB/Kor/CN5/09 (H6N5) 87 nM
A A/Ck/Kor/01310/01 (H9N2) 57 nM
A A/Bris/10/07 (H3N2, oseltamivir-resistant) 110 nM
B B/Seoul/32/11 (Yamagata-like) 39 nM