Subacromial impingement occurs when the subacromial space is narrowed and weak structures in that space get compressed. Several causes for subacromial impingment have been detected: 1  Anatomical variations such as narrow SA space, type II or III acromion, osteophytes.ubacromial impingement occurs when the subacromial space is narrowed and weak structures in that space get compressed. Several causes for subacromial impingment have been detected: 1  Anatomical variations such as narrow SA space, type II or III acromion, osteophytes.
Diseases transmitted by mosquitoes include: malaria, dengue, West Nile virus, chikungunya, yellow fever, filariasis, Japanese encephalitis, Saint Louis encephalitis, Western equine encephalitis, Eastern equine encephalitis, Venezuelan equine encephalitis, La Crosse encephalitis and Zika fever.
Mosquito-borne diseases in Australia. Diseases transmitted by mosquitoes in Australia include Dengue fever, Australian encephalitis, Ross River (RR) virus disease and Barmah Forerst (BF) virus disease.Dengue is the most important viral disease transmitted by mosquitoes afflicting humans in a world context.iseases transmitted by mosquitoes in Australia include Dengue fever, Australian encephalitis, Ross River (RR) virus disease and Barmah Forerst (BF) virus disease. Dengue is the most important viral disease transmitted by mosquitoes afflicting humans in a world context.