The pandemic that began in 1957 was cau-sed by a less virulent virus than that of 1918, and the health services were better prepared to tackle it, there were also antibi- otics available and influenza vaccines were being produced. | La pandemia que se inició en 1957 fue causada por un virus menos virulento que la de 1918, y además los sistemas de salud estaban mejor preparados para afrontarla, había antibióticos disponibles y ya se pro- ducían vacunas frente a la gripe. |
