Coronavirus sampling and surveillance in bats from 1996-2019: a systematic review and meta-analysis.

Coronavirus sampling and surveillance in bats from 1996-2019: a systematic review and meta-analysis.
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DOI:
10.1038/s41564-023-01375-1
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发表时间:
2023-06
影响因子:
28.3
通讯作者:
Becker, Daniel J.
Becker, Daniel J.
中科院分区:
生物学1区
文献类型:
--
作者:
Cohen, Lily E.;Fagre, Anna C.;Chen, Binqi;Carlson, Colin J.;Becker, Daniel J.

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The emergence of SARS-CoV-2 highlights a need for evidence-based strategies to monitor bat viruses. We performed a systematic review of coronavirus sampling (testing for RNA positivity) in bats globally. We identified 110 studies published between 2005 and 2020 that collectively reported positivity from 89,752 bat samples. We compiled 2,274 records of infection prevalence at the finest methodological, spatiotemporal and phylogenetic level of detail possible from public records into an open, static database named datacov, together with metadata on sampling and diagnostic methods. We found substantial heterogeneity in viral prevalence across studies, reflecting spatiotemporal variation in viral dynamics and methodological differences. Meta-analysis identified sample type and sampling design as the best predictors of prevalence, with virus detection maximized in rectal and faecal samples and by repeat sampling of the same site. Fewer than one in five studies collected and reported longitudinal data, and euthanasia did not improve virus detection. We show that bat sampling before the SARS-CoV-2 pandemic was concentrated in China, with research gaps in South Asia, the Americas and sub-Saharan Africa, and in subfamilies of phyllostomid bats. We propose that surveillance strategies should address these gaps to improve global health security and enable the origins of zoonotic coronaviruses to be identified. Systematic review and analysis of pre-pandemic coronavirus surveillance in bats identifies requirements for improvements to surveillance in the future.
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