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Research Article
Li-Guang Tian
Centers for Disease Control and Prevention
Corresponding Author
ORCiD: https://orcid.org/0000-0003-0817-6943
License:
This work is licensed under a CC BY 4.0 License. Read Full License
Background: Blastocystis is ubiquitous presence in animals and humans worldwide and has a high level genetic diversity. The aim of this study was to conduct a summary of Blastocystis prevalence, subtypes (STs) in humans and animals in China and depict their distribution.
Methods: We searched for the articles related to epidemiology of Blastocystis in humans and animals throughout China which published from January 1, 1990, to July 1, 2019 in the following databases: PubMed, China National Knowledge Infrastructure (CNKI) and Wanfang database. The keywords were Blastocystis and one of the following ones: STs, subtypes, distribution, epidemiology, prevalence, infection, molecular, geographic, intestinal parasites, genetic diversity and characterization.
Results: In recent years, various molecular epidemiological studies have been carried out in some provinces/regions of China to identify subtypes of Blastocystis. Infants and young children, school students, hospitalized diarrhea patients, human immunodeficiency virus (HIV) patients, tuberculosis patients, and cancer patients as respondents had been included. ST1–ST7 and ST12 were the main subtypes in Chinese population. Moreover, surveys of Blastocystis infection in animal were also conducted in some provinces. A variety of animals were investigated including pigs, cattle, sheep, yak, giant panda, and Crested ibis (Nipponia nippon), et al., with the main subtypes of ST1–ST8, ST10, ST12–ST14.
Conclusion: In recent years, some provinces/regions in China have conducted various molecular epidemiological studies to identify the Blastocystis subtypes. It is important to focus on new subtypes and mixed subtypes of infection, while increasing data on ribosomal alleles. We encourage the scientific community to start research on humans and surrounding animals (including domestic and wild animals) to better understand the possibility of Blastocystis transmission between humans and animals. We call for action among researchers studying intestinal parasitic diseases (Blastocystis), start drawing the subtype of Blastocystis and increase the subtype related to its clinical symptoms.
Keywords
Blastocystis, Epidemiology, Prevalence, Subtype, Diversity, China
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CURRENT STATUS: Published
View the published article at Infectious Diseases of Poverty.
Version 3
Posted 16 Nov, 2020
No community comments so far
Editorial decision: Accept
On 09 Nov, 2020
Editor assigned
On 09 Nov, 2020
Submission checks complete
On 09 Nov, 2020
Editor invited
On 09 Nov, 2020
No comments provided
Editorial decision: Major revision
On 21 Jul, 2020
Reviewer #1 agreed
On 09 Jul, 2020
Review #1 received
Received 09 Jul, 2020
Editor assigned
On 08 Jul, 2020
Reviewers invited
Invitations sent on 08 Jul, 2020
Submission checks complete
On 07 Jul, 2020
Editor invited
On 07 Jul, 2020
No comments provided
Editorial decision: Major revision
On 22 Jun, 2020
Review #2 received
Received 15 Jun, 2020
Review #1 received
Received 10 Jun, 2020
Reviewer #3 agreed
On 03 Jun, 2020
Reviewer #2 agreed
On 02 Jun, 2020
Reviewer #1 agreed
On 29 May, 2020
Editor assigned
On 13 May, 2020
Reviewers invited
Invitations sent on 13 May, 2020
Editor invited
On 12 May, 2020
Submission checks complete
On 07 May, 2020
First submitted
On 06 May, 2020
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HTML Views: ...
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A new preprint design is coming!
We have improved readability, clarity, accessibility, and opportunities for engagement.
See the published version of this preprint at Infectious Diseases of Poverty.
This is a preprint, a preliminary version of a manuscript that has not completed peer review at a journal. Research Square does not conduct peer review prior to posting preprints. The posting of a preprint on this server should not be interpreted as an endorsement of its validity or suitability for dissemination as established information or for guiding clinical practice.
Learn more about In Review
Research Article
Li-Guang Tian
Centers for Disease Control and Prevention
Corresponding Author
ORCiD: https://orcid.org/0000-0003-0817-6943
Badges
Prescreen
This manuscript passed our Prescreen assessment
Complete author information
Appropriate declaration statements
Potential risks to human health
Prescreen
Peer Review Timeline
CURRENT STATUS: Published
View the published article at Infectious Diseases of Poverty.
Version 3
Posted 16 Nov, 2020
No community comments so far
Editorial decision: Accept
On 09 Nov, 2020
Editor assigned
On 09 Nov, 2020
Submission checks complete
On 09 Nov, 2020
Editor invited
On 09 Nov, 2020
No comments provided
Editorial decision: Major revision
On 21 Jul, 2020
Reviewer #1 agreed
On 09 Jul, 2020
Review #1 received
Received 09 Jul, 2020
Editor assigned
On 08 Jul, 2020
Reviewers invited
Invitations sent on 08 Jul, 2020
Submission checks complete
On 07 Jul, 2020
Editor invited
On 07 Jul, 2020
No comments provided
Editorial decision: Major revision
On 22 Jun, 2020
Review #2 received
Received 15 Jun, 2020
Review #1 received
Received 10 Jun, 2020
Reviewer #3 agreed
On 03 Jun, 2020
Reviewer #2 agreed
On 02 Jun, 2020
Reviewer #1 agreed
On 29 May, 2020
Editor assigned
On 13 May, 2020
Reviewers invited
Invitations sent on 13 May, 2020
Editor invited
On 12 May, 2020
Submission checks complete
On 07 May, 2020
First submitted
On 06 May, 2020
Metrics
Comments: 0
PDF Downloads: ...
HTML Views: ...
License:
This work is licensed under a CC BY 4.0 License. Read Full License
View the published article at Infectious Diseases of Poverty.
Background: Blastocystis is ubiquitous presence in animals and humans worldwide and has a high level genetic diversity. The aim of this study was to conduct a summary of Blastocystis prevalence, subtypes (STs) in humans and animals in China and depict their distribution.
Methods: We searched for the articles related to epidemiology of Blastocystis in humans and animals throughout China which published from January 1, 1990, to July 1, 2019 in the following databases: PubMed, China National Knowledge Infrastructure (CNKI) and Wanfang database. The keywords were Blastocystis and one of the following ones: STs, subtypes, distribution, epidemiology, prevalence, infection, molecular, geographic, intestinal parasites, genetic diversity and characterization.
Results: In recent years, various molecular epidemiological studies have been carried out in some provinces/regions of China to identify subtypes of Blastocystis. Infants and young children, school students, hospitalized diarrhea patients, human immunodeficiency virus (HIV) patients, tuberculosis patients, and cancer patients as respondents had been included. ST1–ST7 and ST12 were the main subtypes in Chinese population. Moreover, surveys of Blastocystis infection in animal were also conducted in some provinces. A variety of animals were investigated including pigs, cattle, sheep, yak, giant panda, and Crested ibis (Nipponia nippon), et al., with the main subtypes of ST1–ST8, ST10, ST12–ST14.
Conclusion: In recent years, some provinces/regions in China have conducted various molecular epidemiological studies to identify the Blastocystis subtypes. It is important to focus on new subtypes and mixed subtypes of infection, while increasing data on ribosomal alleles. We encourage the scientific community to start research on humans and surrounding animals (including domestic and wild animals) to better understand the possibility of Blastocystis transmission between humans and animals. We call for action among researchers studying intestinal parasitic diseases (Blastocystis), start drawing the subtype of Blastocystis and increase the subtype related to its clinical symptoms.
Figure 1
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