PAHO Director Mirta Roses called on countries to "remain vigilant" after controlling the last H1N1 influenza pandemic. She stated that given the capacity for change that the influenza virus has, the possibility of the emergence of a new influenza virus worse than the H1N1 exists.

"Communicating the risk to the population as very important," said Roses, and called for the "creation of strategies of information in media like the Internet, with reliable and evidence-based information."