The United States Cente for Disease Control said the US death toll stood at 221 and Mexico has reported 121 confirmed deaths from the virus.
Meanwhile, it has emerged that health authorities in the UK are preparing to vaccinate the entire population against swine flu.
Argentina is the world's third worst-affected country in the global pandemic, behind only Mexico, with 121 confirmed deaths, and the US.
Argentine authorities have taken a number of measures, including bringing forward school vacations, decreasing public celebrations and closing public gathering spaces, to limit spread of the virus.
Latin America has continued to record swine flu fatalities, with 25 in Chile so far, nine in Uruguay and a regional total of close to 150.
Worldwide, at least 440 people have died after contracting swine flu, and around 100,000 are infected with the virus, according the World Health Organisation.
