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Slovakia is well-known for tick-borne encephalitis alimentary (TBE) outbreaks in Europe for a long time. Since the first known and largest TBE alimentary outbreak in 1951 (at territory of Slovakia) until today, none of the European countries report a comparable number of TBE alimentary outbreaks with probable and laboratory confirmed food transmission factor as Slovakia. We analyzed TBE outbreak confirmed cases reported in Slovakia from web-based Epidemiological Information System (EPIS) during the period 2007–2016. During years 2007–2016 we recorded 26 TBE alimentary outbreaks. In most outbreaks (22 out of 26) the probable transmission factor of TBE virus was identified within epidemiological context. In 4 outbreaks the transmission factor was laboratory confirmed. The most common probable and confirmed transmission factor of alimentary TBE outbreaks was milk and milk products of goat origin. There should be more effort of laboratory clarification of TBE transmission factor in Slovakia. It is important to be aware of the issue of Slovakia from the point of tourism and prevention, but also due to potential risks of consumption of raw milk and its products that became popular in recent years not only in Slovakia.

In 2015, 0.02% nymphs displayed anomalies (ectromely) out of the 6744 collected ticks as part of a tick-borne encephalitis program in Germany. In 2016, questing Ixodes ricinus (n = 14,527) and Ixodes inopinatus (n = 75) ticks were collected by flagging as part of a tick-borne encephalitis program in Germany, Slovakia and Denmark. A total of 278 (1.9%) out of 14,602 nymph and adult ticks showed morphological anomalies. The anomalies were divided into general anomalies (body asymmetry) and local anomalies (anomalies of appendages, malformation of capitulum, exoskeleton anomalies and anal groove deformation) with nymphs being the most affected life stage. Most important, leg atrophy was the most common anomaly (209 nymphs, 11 females and three males) followed by asymmetry (10 nymphs, five females and a male) and ectromely (nine nymphs). Two females and one male displayed multiple anomalies on legs, palps and exoskeleton. Anal groove deformation was observed in three females and three nymphs. In 2016, the frequency of anomalies in I. inopinatus was found five times higher (9.3%) than in I. ricinus (1.9%). This is the first report of anomaly (ectromely, leg atrophy, idiosoma deformation) in flagged I. inopinatus and the first report of schizomely in I. ricinus .