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.
Mosquitoes. Each summer, mosquitoes are a familiar biting pest in backyards, parks and campgrounds. Most are merely a nuisance and are not major vectors of diseases. In fact, only a few of the 59 species of mosquitoes in Ohio can transmit disease. However, the diseases these mosquitoes can carry are very serious ones, such as encephalitis and malaria in humans and heartworm in dogs.