Researchers endowied a line of mosquitoes with an antibody against the dengue virus, for the first time making insects that appear unable to spread any form of the disease.
In 2019, dengue has surged across South America, from Mexico down to Chile and Argentina, with nearly three million cases reported - over 20 percent higher than the previous record set in 2015.
From January through November 2019, there were 484,000 probable cases of dengue fever in Minas Gerais, 16 times higher than all of 2018, making it the worst dengue epidemic in the history of the state.
To mitigate the risk of outbreaks from importation of dengue into non-endemic regions it is critical to predict the arrival time and location of infected individuals. Researchers modelled the number of dengue infections arriving each month at any given airport, which enabled us to estimate the number of infections that are imported into different countries and states each month.
Indonesia saw a 76% drop in dengue infections in the part of Indonesia where the mosquitoes were released. In Brazil, treated neighborhoods in Rio de Janeiro saw rates of dengue infections fall by 70%, and infections with chikungunya was 75% lower. North Queensland, Australia, hasn’t had a dengue in five years, and there has been a 96% reduction in locally acquired dengue infections.
Through October 19, a total of 2,733,635 cases of dengue have been reported in the Americas, including 1,206 deaths.
Health officials in Paraíba have reported a 67 percent increase in dengue fever cases in 2019 (17,000 dengue cases, and 54 deaths).
A record-breaking 44,000 people have been infected with dengue in Pakistan in 2019.
For the first time (2019), Brazil has topped two million dengue cases, while Mexico dengue cases have doubled this year when compared to 2018.
Hospitals in Bangladesh are increasingly facing the challenges of massive patient surge and a dengue outbreak of epidemic proportions.