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Insecticide resistance in malaria and arbovirus vectors in Papua New Guinea, 2017–2022 | Parasites & Vectors

Insecticide resistance (IR) monitoring is essential for evidence-based control of mosquito-borne diseases. While widespread pyrethroid resistance in Anopheles and Aedes species has been described in many countries, data for Papua New Guinea (PNG) are limited. Available data indicate that the local Anopheles populations in PNG remain pyrethroid-susceptible, making regular IR monitoring even more important. In addition, Aedes aegypti pyrethroid resistance has been described in PNG. Here, Anopheles and Aedes IR monitoring data generated from across PNG between 2017 and 2022 are presented. Mosquito larvae were collected in larval habitat surveys and through ovitraps. Mosquitoes were reared to adults and tested using standard WHO susceptibility bioassays. DNA from a subset of Aedes mosquitoes was sequenced to analyse the voltage-sensitive sodium channel (Vssc) region for any resistance-related mutations. Approximately 20,000 adult female mosquitoes from nine PNG provinces were tested. Anoph

The predominant lineage in Europe of gonococcus is resistant to one of common drug treatments

A study featuring the participation of Fisabio (Foundation for the Promotion of Health and Biomedical Research of Valencia Region), dependent on the Conselleria de Sanitat Universal i Salut Pública, has found that the predominant lineage in Europe of gonococcus the bacterium which causes gonorrhea is resistant to one of the two drugs, among others, most commonly used today to treat this disease.

Tracking a Pathogen through its Genome: the challenges and opportunities of the global governance of genomic surveillance

Europe-wide expansion and eradication of multidrug-resistant Neisseria gonorrhoeae lineages: a genomic surveillance study

Europe-wide expansion and eradication of multidrug-resistant Neisseria gonorrhoeae lineages: a genomic surveillance study
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International horse movements play role in spread of strangles, researchers find

Horsetalk.co.nz International horse movements play role in spread of strangles, researchers find Share A two-year-old Shetland pony with strangles. His first symptom was a runny nose. He then developed a fever, and swelling to the right side of his face. This is a side view before the abscesses burst. ©AkaEmma, Public domain, via Wikimedia Commons The latest DNA sequencing techniques have been used to track the bacteria responsible for strangles in horses around the world, in the largest study of its kind into the pathogen. Researchers said they identified many examples of closely related strains of  Streptococcu equi in geographically distant nations, highlighting that the lack of pre-export testing, used routinely for many animal diseases, facilitates what they describe as the unbridled international transmission of the bacterium.

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