Mosquito fever

Mosquito fever (synonym: Crimean fever, moscicki, pappataci fever) is an acute infectious disease characterized by intermittent fever, headache, muscle pain, conjunctivitis, General fatigue.
Etiology. Exciter fever mosquito - filterable virus. There are several strains of the pathogen. Some strains do not cause cross-immunity have been ill, therefore, possible re disease in one season. The virus is stable in the dried state to 3-7 months.
Epidemiology. Mosquito fever - typical vector-borne disease characterized by natural focality. The infection is transmitted healthy from the sick person, Pets and rodents, through the bite of mosquitoes (see). The disease is widely distributed in tropical and sub-tropical areas. In the USSR it occurs in the Northern Caucasus, Transcaucasia, Moldova and Central Asian republics. Has a strong seasonality associated with the emergence of mosquitoes (may - August). More often hurts visiting immune than the indigenous population, who have immunity. Among migrant seasonal rise in perebolela to 70% and more.
Pathogenesis. Once in the body of a person by the bite of mosquitoes, the virus mosquito rush into the blood and circulates it, affecting mainly cardiovascular, Central and autonomic nervous system.
The clinical picture. The incubation period - 3-8 days. The disease begins abruptly with chills and rise of temperature up to 39-40 degrees. There has been a sharp headache, pain in the eyeballs, along the nerves, muscles and joints, especially in the legs, back, back. Possible nausea, vomiting, diarrhea. Strongly affects the Central nervous system. May develop meningeal phenomena with the increased intracranial pressure, anxiety, insomnia, agitation. The characteristic appearance of the patient's face and neck giperemiei, puffy, eyes shining, the vessels of the sclera injected, particularly sharply in the outer corners (in the form of a triangle). Pressure on the eyeballs and the raising of the age painful. Language and Zev giperemiei, bow and tongue edema, possible dotted haemorrhage, anathema. On the lips often stated herpes. On the skin possible petechial hemorrhages and roseola. Sometimes there nasal and gastrointestinal bleeding.
The first pulse Ochsen, then slowed down. Characteristic radiation with a pronounced shift limfotsitoz. Changes in white blood hold up to 20-30 days from the onset. The temperature remains high for 2 to 3, sometimes 7-8 days. After reducing the temperature of the long-term (1 - 2 weeks) are weakness, headache, loss of ability to work. Complications are rare. The prognosis is favorable.
Diagnosis of fever mosquito is based on the clinical picture of the disease with consideration of epidemiological history. Differential diagnosis should be carried out with the flu (see), malaria (see), typhus (see) and water fever (see).
Treatment of mosquito fever. Specific treatment is not. Shown bed rest, diet. Use of acetylsalicylic acid on the inside of 0.5 g 3 times a day, analgin 0.5 g 3 times a day, cardio-vascular equipment.
Prevention. The destruction of mosquitoes and their places of hatching (see Mosquitoes). Protection of people healthy and especially patients from attack and mosquito bites by zasetskaya window, wearing special protective nets Pavlovsky, impregnated frightening off means (see Repellents). Specific prevention of wide application not received.