The Colombian government confirmed four new deaths from AH1N1 flu on Tuesday, raising the death toll to 13 in the country.
The Social Protection Ministry said three men in the capital Bogota and a woman in Cundinamarca province died of A/H1N1 flu.
The ministry said there have been 259 confirmed cases of AH1N1 flu in the country so far, as well as 7,838 suspected cases.
The Colombian government has tightened control at hospitals and health centers to avoid a large-scale spread of the disease in the country.
It is possible that the number of AH1N1 flu cases would increase rapidly in the country during the coming rain season, said the ministry. (Xinhua)