Hundreds of people were paralyzed. Hundreds of people died — children as well as adults. And in both cases, we were able to use genetic sequencing to look at the polio viruses, and we could tell these viruses were not from these countries.
Cientos de personas se quedaron paralizadas, otras tantas murieron, tanto niños como adultos... Y en ambos casos pudimos usar la secuenciación genética para analizar los virus y descubrir que no eran originarios de esos países.