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SAffold viruses in pediatric patients with diarrhea in Thailand
Arpaporn Yodmeeklin1, Pattara Khamrin, Watchaporn Chuchaona
1Department of Microbiology, Faculty of Medicine, Chiang Mai University, Chiang Mai, Thailand.
Insights
Saffold virus (SAFV) was detected in 1.5% of pediatric diarrhea cases in Thailand. Four SAFV genotypes were identified, highlighting the virus
Area of Science:
- Virology
- Gastroenterology
- Public Health
Background:
- Saffold virus (SAFV), a member of the Cardiovirus genus within the Picornaviridae family, is a recently identified human pathogen.
- Understanding the prevalence and genetic diversity of emerging viruses like SAFV is crucial for public health surveillance.
Purpose of the Study:
- To investigate the presence and genetic characteristics of Saffold virus in fecal samples from children with diarrhea in Thailand.
- To identify the genotypes of SAFV circulating in this pediatric population.
Main Methods:
- RT-nested PCR and sequence analysis were employed to detect and characterize SAFV.
- Fecal specimens were collected from 608 children experiencing diarrhea in Chiang Mai, Thailand, between January 2012 and December 2013.
Main Results:
- SAFV was detected in 9 out of 608 (1.5%) fecal specimens.
- Four distinct SAFV genotypes (SAFV1, SAFV2, SAFV3, and SAFV4) were identified.
- SAFV mono-infection occurred in five cases, while co-infection with other diarrheal pathogens was observed in four cases.
Conclusions:
- This study confirms the circulation of Saffold virus in Thailand among children with diarrhea.
- The identification of multiple SAFV genotypes provides valuable insights into the genetic diversity of this emerging virus in the region.
- Further research is warranted to understand the clinical significance and transmission dynamics of SAFV in pediatric populations.
Abstract:
Saffold virus (SAFV) is a newly discovered human virus which is classified into the genus Cardiovirus of the family Picornaviridae. A total of 608 fecal specimens collected during January 2012 to December 2013 from children with diarrhea in Chiang Mai, Thailand were investigated for SAFV by RT-nested PCR and sequence analysis. Of these, nine out of 608 (1.5%) were positive for SAFVs and four genotypes were identified, SAFV1, SAFV2, SAFV3, and SAFV4. SAFV mono-infection was found in five cases (CMH-S038-12, CMH-S071-12, CMH-S102-12, CMH-N029-12, and CMH-S048-13), while co-infection with other viruses causing diarrhea was observed in four cases (CMH-S021-12, CMH-S115-12, CMH-N048-13 and CMH-N103-13). This study provides more information about the genetic background of SAFV circulating in pediatric patients with diarrhea in Thailand.
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