Communicable disease report January to March 1989. From the PHLS Communicable Disease Surveillance Centre.
D003457:Cryptosporidiosis / Q000453:epidemiology*; D004196:Disease Outbreaks; D005506:Food Contamination; D006801:Humans; D008088:Listeriosis / Q000453:epidemiology*; D011159:Population Surveillance; D014435:Typhoid Fever / Q000453:epidemiology*; D006113:United Kingdom / Q000453:epidemiology; D014852:Wales / Q000453:epidemiology; D014871:Water Microbiology