| Authors: |
Chalmers R; Cryptosporidium Reference Unit, Public Health Wales Microbiology, Singleton Hospital, Swansea SA2 8QA, UK.; Swansea University Medical School, Singleton Park, Swansea SA2 8PP, UK., Robinson G; Cryptosporidium Reference Unit, Public Health Wales Microbiology, Singleton Hospital, Swansea SA2 8QA, UK.; Swansea University Medical School, Singleton Park, Swansea SA2 8PP, UK., Risby H; Cryptosporidium Reference Unit, Public Health Wales Microbiology, Singleton Hospital, Swansea SA2 8QA, UK., Elwin K; Cryptosporidium Reference Unit, Public Health Wales Microbiology, Singleton Hospital, Swansea SA2 8QA, UK., Howarth R; Public Health Wales Communicable Disease Surveillance Centre, 2 Capital Quarter, Tyndall Street, Cardiff, CF10 4BZ, UK., Simkin F; Public Health Wales Communicable Disease Surveillance Centre, 2 Capital Quarter, Tyndall Street, Cardiff, CF10 4BZ, UK., Nelson A; Public Health Wales Communicable Disease Surveillance Centre, 2 Capital Quarter, Tyndall Street, Cardiff, CF10 4BZ, UK. |