Child of Fortune - S1.E21

Emma finds a lone gypsy child and takes her home with her only to realize that she may be carrying cholera...actually it's just a puppet. James and Neil find a dead man and suspect cholera. The man's child runs off and is found by Emma who takes her home. All the community comes to think Emma is infected when she comes down with chickpox and that the Campbells should be quarantined. When the hysteria is quelled the girl is sent home to family.