Cuba in favorable position against arboviruses

Cuba has a favorable epidemiological situation in its fight against arboviruses, following a 21 percent decrease in reported febrile cases last week. This improvement highlights effective efforts to control vector-borne diseases such as dengue and zika. Health authorities emphasize the need for ongoing vigilance.

Havana, Dec 20 (Prensa Latina) - Cuba reports a positive epidemiological situation in combating arboviruses, driven by a 21 percent reduction in notified febrile cases during the previous week. This downward trend indicates progress in prevention and control measures implemented by the Ministry of Public Health (MINSAP).

Arboviruses, including pathogens transmitted by mosquitoes like Aedes aegypti, pose an ongoing challenge in tropical regions. In Cuba, targeted efforts to eliminate breeding sites and fumigation campaigns have contributed to this improvement. While initial reports do not specify absolute figures, the percentage decrease suggests stabilization in the incidence of diseases such as dengue, chikungunya, and zika.

Health experts stress that, despite the progress, the population must continue preventive practices, such as using repellents and eliminating standing water. This update comes amid intensified surveillance ahead of the rainy season, which favors vector proliferation.

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3D atomic-resolution models comparing yellow fever vaccine and virulent virus strains, highlighting immune-recognized surface differences in a UQ lab setting.
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Researchers map yellow fever virus in 3D, revealing key structural differences between strains

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Scientists at the University of Queensland have captured the first near‑atomic, high‑resolution 3D images of the yellow fever virus, detailing how the surface of the long‑used vaccine strain differs from virulent, disease‑causing strains. The work sheds light on how the virus is recognised by the immune system and could support improved vaccines for yellow fever and related mosquito‑borne diseases.

Spain's Foreign Ministry issued a health alert warning of a serious epidemic in Cuba with simultaneous outbreaks of mosquito-borne viral diseases. It recommends against traveling to the island if not vaccinated against chikungunya, dengue, and hepatitis A. The warning comes amid peak tourist season and after a catastrophic year for the sector.

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The Institute of Neurology and Neurosurgery in Cuba has begun a specialized clinic to care for patients with post-chikungunya ailments, particularly those linked to neuropathic pain, joint pain, and paresthesia. This step provides focused treatment for individuals impacted by the mosquito-borne virus.

In Baku, the Cuban ambassador to Azerbaijan, Carlos Valdés, met with health officials from the Caucasian nation at the Ministry of Health to discuss cooperation in the health sector.

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Cuba reaffirmed its zero-tolerance stance on drugs at the CELAC-European Union bi-regional forum in Brussels. The island's Foreign Ministry reported this firm position.

Building on international alerts, Colombia's Ministry of Health confirmed the first case of influenza A(H3N2) subclade K in a traveler with mild symptoms. Officials are monitoring this seasonal variant, with pediatric experts urging enhanced prevention amid peak transmission risks for children.

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A mutation of the influenza A virus, known as the H3N2 K subclade, has led to increased hospitalizations in Europe and the United States, though no more severe cases are reported. In Latin America, including Mexico, preventive surveillance is in place without this variant predominating. Authorities recommend vaccination for vulnerable groups amid the risk of spread.

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