Table 4.

History of suspected exposure to FCV for the confirmed cases of the outbreak

Cat	Day(s) of presumed exposure to FCV	Circumstances	Source	Suspected mode of transmission/vector
Cat 1	Prior to February 28	Unknown	Unknown	Unknown
Cat 2	March 4–6	At home	Cat 1	Indirect at distance/owner (student 1 on duty in NVST small animal hospital and in charge of cat 1)
Cat 3	March 11	During outpatient consultation for unrelated problem	Cat 2	Indirect/clinical team dealing also with cat 2 on March 11
Cat 4	March 14	During outpatient consultation for unrelated problem	Cat 3	Indirect/clinical team dealing also with cat 3 on March 14
Cat 5	March 4–29	During hospitalisation for unrelated problem	Cat 1, 4 or 6	Indirect/fomites in NVST Hospital
Cat 6	March 14–29	During hospitalisation for unrelated problem	Cat 1, 4 or 5	Indirect/fomites in NVST Hospital
Cat 7	March 26–31	During hospitalisation for unrelated problem	Cat 1, 4, 5 or 6	Indirect/fomites in NVST Hospital
Cat 8	March 28–31	At home	Cat 1, 4, 5, 6 or 7	Indirect at distance/owner (student 2 on duty in NVST small animal hospital from March 28)