title: Outbreak of Salmonella enteritidis phage type 21 among British tourists returning from Ostend.
mesh_terms: D000328:Adult; D017677:Age Distribution; D000368:Aged; D001530:Belgium; D004196:Disease Outbreaks / Q000706:statistics & numerical data*; D005260:Female; D006801:Humans; D015994:Incidence; D008297:Male; D008875:Middle Aged; D012478:Salmonella Food Poisoning / Q000453:epidemiology* / Q000382:microbiology; D012477:Salmonella enteritidis / Q000145:classification / Q000302:isolation & purification*; D014195:Travel; D006113:United Kingdom / Q000453:epidemiology