Assessment of potential zoonotic transmission of Giardia duodenalis from dogs and cats

Sun, Jingjing; Qin, Ziyang; Fu, Yin; Qin, Huikai; Sun, Mengqing; Dong, Haiju; Chao, Liqin; Zhang, Longxian; Li, Junqiang

doi:10.1016/j.onehlt.2023.100651

Cited by 7 publications

(2 citation statements)

References 44 publications

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“…Our results are in line with previous findings at the regional level [12], but they are divergent from those of other studies performed in Spain and the UK, which indicated that assemblage B was more frequent [29][30][31]. A recent review [5] concluded that assemblage B was the most frequently identified both at the European and world-wide level. In Europe, out of 1658 isolates, 930 belonged to assemblage B, and 714 to assemblage A, of which 466 were classified as subtype A2.…”

Section: Discussionsupporting

confidence: 59%

“…G. intestinalis, G. lamblia) species Microorganisms 2024, 12, 762 2 of 13 complex causes human infection [1,4]. The G. duodenalis complex comprises eight established genotypes (A to H), referred to as assemblages in mammals [1], with assemblages A and B being responsible for almost 95% of human infections [5]. Infections may frequently be asymptomatic or cause mild illness, and they usually resolve without treatment.…”

Section: Introductionmentioning

confidence: 99%

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Prevalence and Genotyping of Water- and Food-Borne Parasitic Protozoans (Giardia duodenalis and Cryptosporidium spp.) in Hospitalized Patients from Northwestern Romania

Ionică,

Ieremia,

Kalmár

et al. 2024

Microorganisms

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Giardia duodenalis and Cryptosporidium spp. are important zoonotic protozoan pathogens that infect the gastro-intestinal tract of numerous vertebrates, including humans, and both parasites are responsible for water- or food-borne outbreaks of disease worldwide. Although, globally, both parasites are highly prevalent, particularly in developing countries, epidemiological data from Romania are scarce, and genotyping has rarely been performed. The aims of the present study were to investigate the occurrence and genetic diversity of G. duodenalis and Cryptosporidium spp. in patients hospitalized in Northwestern Romania in relation to clinical and paraclinical presentation and to identify the relative frequency of non-specific symptoms and potential risk factors. Between June 2022 and January 2024, 426 fecal samples were screened for gastro-intestinal parasites by rapid tests and microscopical examination, further confirmed by PCR and sequencing. Giardia duodenalis was detected and characterized in 12 samples (2.82%), while Cryptosporidium parvum was confirmed in four samples (0.94%). A majority of positive patients were symptomatic and reported nausea and vomiting with a significantly higher frequency compared to negative ones. This study provides new insights into the epidemiological status and clinical implications of gastro-intestinal parasite species and genospecies in Romania that are necessary for an in-depth understanding of the potential zoonotic transmission and improvement of patient care.

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