Increased influenza A virus sialidase activity with N-acetyl-9-O-acetylneuraminic acid-containing substrates resulting from influenza C virus O-acetylesterase action

1. Muñoz-Barroso, I.
2. García-Sastre, A.
3. Villar, E.
4. Manuguerra, J.-C.
5. Hannoun, C.
6. Cabezas, J.A.