Authorities in Mexico have announced three more deaths, as the United States and Canada each said they had another death connected with the illness.
Mexico death toll now stands at 83, and Canada's is two. The US death is the 12th in the country.
Before the latest reports, the World Health Organization on Monday tallied at least 91 deaths around the globe from more than 12,500 swine flu cases.
Mexico announced three more deaths tied to swine flu, and officials there unveiled a $90 million campaign aimed at luring back tourists to the country where the illness has hit hardest. The government-funded push will feature ads with opera singer Placido Domingo, champion golfer Lorena Ochoa and other national heroes.
Tourism is Mexico's third-largest source of legal foreign income, but worries over swine flu have stemmed the flow of visitors and pushed hotel occupancy to a record low.
In the US, the Centers for Disease Control and Prevention counted 10 deaths and 6,700 cases, most of them mild. But New York health officials reported another death over the weekend.
Dr Damon Arnold, director of the Illinois Department of Public Health said in a statement that the latest victim, a Chicago-area resident, had other medical conditions, but authorities released no other information about the person.