decimating every early Spring in Central Europe, or cholera so typical for mass gathering and migrating weren't noted. There are several reasons why it may be possible: • Good health infrastructure in (partially) EU transiting countries (Italy, Malta, Greece, Croatia, Serbia, Hungary, Austria), • Healthy population migrating (young adolescents, children with families), • Acceptable vaccination status apart of very small infants from Syria (Tulio Prestilio 2015),
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