Table 1 Summary of data from studies of Cryptosporidium spp. in dogs worldwide, 2010–2020.

From: Occurrence and genotypes of Cryptosporidium spp., Giardia duodenalis, and Blastocystis sp. in household, shelter, breeding, and pet market dogs in Guangzhou, southern China

Location

Period

Methods

No. examined

No. positive (%)

Populations

Species/assemblages/subtypes (n)

References

China

2015

PCR

484

24 (4.9)

pet

C. canis (20)

14

China

2011–2014

PCR

485

39 (8.0)

household, pet

C. canis (39)

11

Nigeria

2017

PCR

203

5 (2.5)

free-ranging

C. parvum (3), C. muris (2)

17

China

2013–2014

PCR

267

6 (2.2)

pet, stray

C. canis (5), C. ubiquitum (1)

18

China

2017–2018

PCR

641

44 (6.9)

pet

C. canis (42), C. muris (1), C. rat genotype IV (1)

19

France

2012–2013

PCR

116

3 (2.6)

household

C. canis (3)

20

Japan

2011–2012

PCR

1096

111 (10.1)

household, pet

C. canis (111)

21

Japan

2014–2017

PCR

314

66 (21.0)

breeding kennel

C. canis (66)

22

Spain

2013–2016

DFM, PCR

194

8 (4.1)

sheltered

C. canis (5), C. hominis (1)

23

  1. DFM direct fluorescence microscopy.