Application of a new multi-locus variable number tandem repeat analysis (MLVA) scheme for the seasonal investigation of cases in Wales and the northwest of England, spring 2022.

The protozoan is an important cause of gastroenteritis in humans and livestock, and cryptosporidiosis outbreaks are common. However, a multi-locus genotyping scheme is not widely adopted. We describe the further development and application of a seven-locus multi-locus variable number of tandem repeats analysis (MLVA) scheme.