Current situation of Giardia infection in Spain: Implications for public health

Table 1 Giardia species and assemblages (adapted from[4,5])

Species	Main hosts	Reported in human infections	Reported in surface waters
G. duodenalis	Mammals	Yes	Yes
G. agilis	Amphibians	No	No
G. ardeae	Birds	No	No
G. microti	Rodents	No	No
G. muris	Rodents	No	No
G. psittaci	Birds	No	No
Assemblages
A (= G. duodenalis)	Mammals	Yes	Yes
B (= G. enterica1)	Mammals	Yes	Yes
C/D (= G. canis1)	Canines	Yes2	No
E (= G. bovis1)	Domestic ruminants, pigs	Yes2	No
F (= G. cati1)	Cats	Yes2	No
G (= G. simondi1)	Mice, rats	No	No
H	Seals	No	No

¹Species names recently proposed;

²To be confirmed with further molecular characterization.