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Marburg . TBE virus triggers inflammation of the brain and meninges called tick-borne encephalitis. The clbadification as risk area is carried out by the Robert Koch Institute (RKI) by means of a statistical evaluation of the local occurrence of cases of disease, thus depends on the place of residence of patients and not from the origin of ticks. Marburg virologists first detected TBE disorders in the Marburg-Biedenkopf district in the 1990s. In the past, most cases of TBE have been reported in the eastern part of the county. However, doctors from the Department of Health also observed cases in the western and northern parts of the circle
Mainly no symptoms or mild illness
"In many parts of Europe, ticks can transmit the Although most TBE infections have no symptoms or mild illness, even severe forms of meningitis or brain inflammation (encephalitis) may occur, "explains Dr. Martin Just, Head of Infection Control at the District Health Department
Detection of Human TBE Viruses is Subject to Reporting Under the Infection Control Act The number of reported TBE cases varies from year to year and in Germany, it is generally between 200 and 400 annual cases.In 2017, a high incidence rate was recorded at With 485 cases, most diseases occur in Bavaria and Baden-Württemberg. In Hesse, especially the area of Odenwald is affected. In the district of Marburg-Biedenkopf, no TBE cases have been detected so far this year. This was a case in 2017.
Ticks with viruses can be found in "herds of nature"
"Although ticks are more or less everywhere in the wild, ticks carry the virus TBE are often found only in a small area – sometimes only the size of a football field or even smaller.In these herds, all ticks do not contain the TBE virus, but only about 500 to 1000 ticks. The TBE virus has not been detected directly in ticks in the district of Marburg-Biedenkopf, "says microbiologist Dr. Michael Bröker, who regularly goes to search for parasites in eight legs, which are among the arachnids, he is networked with the district health department in his work
Collecting ticks with white tissue on the grbadlands
"One way to detect TBE virus in a certain area is coll test ticks then biochemical Methods to identify the genome of TBE virus, "says Dr. Bröker. Due to the low rate of tick infection by the virus, it becomes clear that one has to collect many ticks in order to obtain a statistical result. "As a general rule, you should already collect 1000 ticks in the area to be examined," Dr. Bröker. To do this, the scientist pulls white cloths through the undergrowth and through the meadows, then uses tweezers to collect each tick that has been caught on the tissue
Laboratory Tests in Munich
Michael Bröker collects ticks in the district of Marburg-Biedenkopf. He collaborates with the German consular laboratory FSME at the Institute of Microbiology of the German Armed Forces in Munich. There, the necessary laboratory tests are carried out. His attention was directed to Dr. Bröker first on Ostkreis, because from there most cases were reported. There, however, he could prove that there were no ticks that carried the TBE virus per se. "However, two years ago, I was able to identify a natural stove east of the town of Wetter, here is a person who walked there regularly," says the microbiologist. [19659004LastyearapersonfromSüdkreisalsobecameillandrememberedbeingbittenbyatickwhilepickingmushroomsnearWetter-AmönauDrDrBrökeralsoinvestigatedthiscase:SincetheareaofthesuspectedinfectionsitewasfairlyeasytopindownDrBrökertargetedinthisarea-andwbaduccessfulSoasecondFSMEnaturalfocusinthedistrictofMarburg-BiedenkopfnowwestofWetterwasfound
Flock may have missed at Ostkreis
Why TBE virus could not be detected in the East District? "It is possible that tick infection by TBE virus is very low and that you have to collect if Significantly more ticks to detect the virus, "according to the microbiologist. It is also possible that the herds have disappeared and that the virus is now more present in the west and in the north. "But it's also possible that you simply collected ticks in the wrong place – and that's right next door," says Dr. Bröker.
"Ticks can transmit a variety of bacteria and viruses that can cause disease, the most common being borreliosis caused by bacteria." About one in five ticks contain Lyme disease, but not everyone causes it. disease ", Dr. Bröker." FSME infections, however, are much rarer ", Dr. Juste
TBE vaccine recommended in the district
What does it mean for people in Marburg-Biedenkopf district "Those who spend a lot of time in the wild, such as hikers, joggers, berry and mushroom pickers, loggers or hunters, should protect themselves with light and appropriate clothing. and look for ticks after their stay in the wild, even before the bite or as soon as possible after removal of the bite.This is the best way to prevent infection. "Martin Just.
This applies especially since there is no protective vaccine against the most common tick-borne infection caused by Lyme disease bacteria . "TBE vaccination can help prevent infection by the virus.In risk areas, such as the district of Marburg-Biedenkopf, TBE vaccine is one of the recommendations of the Standing Committee on Immunization (STIKO). ) to the RKI, "says Dr. med.Family physicians are available for such consultations
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