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Chapter 7: TBE in special situations



          infection with a short incubation period, while   There  is  evidence  that  TBEV  is  stable  in  milk
          the mother had been infected by a tick bite.   and  cheese  for  up  to  14  days,  depending  on
          Therefore,  breast-feeding  females  should  be   environmental  conditions. 20,21   At  4°C  TBEV
          cautious when being exposed to ticks in TBE-  might  remain  viable  up  to  14  days,  while  at
          endemic regions.                            room  temperature  virus  titres  decrease  after
                                                                20
                                                      some  days.   There  is  evidence  that  the
          Figure 2: Travel targets/100 travellers in German travellers for 2017






















            (modified after Zukunft Aktuell 276, 39. Jg., 07.02.2018, green bars indicate “TBEV not known to circulate”,
              red bars indicate TBEV-endemic countries. Taken from:  https://www.stiftungfuerzukunftsfragen.de/
                                    newsletter-forschung-aktuell/276.html).


          Figure 3: Percentage of travel-associated TBE cases in German patients

























                       Compilation of data from the Epidemiologisches Jahrbuch 2007 to 2018, RKI.
                                      Note that the X-axis starts at 91%.

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