Brazil is considering calling on Cuba to send doctors and has mobilized its military to join the nation's public health workers in battling a deadly outbreak of the mosquito-borne viral illness, dengue fever, which has killed 67 people and infected more than 45,000.

For the past few years, Rio De Janeiro, Brazil has been at the center of a resurgence of the disease in South America

A dengue fever outbreak in Brazil has killed 54 people and infected more than 43,000 in Rio de Janeiro state since January, health officials said Thursday. The number is nearly double the 25,107 cases reported in all of 2007.

The toll for the first three months of this year exceeds the total from all of 2007, state officials said adding that another 60 deaths were being investigated to see whether they resulted from the tropical disease. The disease is transmitted by Aedes aegypti mosquitoes

A Southeast Valley man in his 60s was discharged Wednesday from a local hospital after being diagnosed with the nation's first case of West Nile Virus for 2008.

State health officials attribute to Arizona's warmer winters and earlier mosquito season for the West Nile Virus' premature occurrence

Following the outbreak of the deadly yellow fever in Paraguay, more than 1.27 million residents have now been vaccinated, the United Nations World Health Organization (WHO) has reported. All of Paraguay's 18 departments have received vaccines, with as much as 83 percent of the population in Asuncion, the capital.

According to the last update issued by WHO on Friday, the number of confirmed cases across Paraguay has risen by six to 22. So far the disease has taken the toll of six lives while another 12 suspected cases are under investigation by health authorities

GlaxoSmithKline PLC announced Friday that it will suspend development of its malaria drug Dacart and is recalling another drug, Lapdap, after it discovered the two drugs can lead to anemia.

Tests conducted by GSK and partner Medicines for Malaria Venture reveal both drugs lowered hemoglobin concentration in patients with hereditary enzyme deficiency disorders, which affects 10 to 25 percent of the sub-Saharan population in Africa