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Multiple clades of SARS-CoV-2 were introduced to Thailand during the first quarter of 2020.

ABSTRACT: In early January 2020, Thailand became the first country where a coronavirus disease 2019 (COVID-19) patient was identified outside China. In this study, 23 whole genomes of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) from patients who were hospitalized from January to March 2020 were analyzed, along with their travel histories. Six lineages were identified including A, A.6, B, B.1, B.1.8, and B.58, among which lineage A.6 was dominant. Seven patients were from China who traveled to Thailand in January and early February. Five of them were infected with the B lineage virus, and the other two cases were infected with different lineages including A and A.6. These findings present clear evidence of the early introduction of diverse SARS-CoV-2 clades in Thailand.

SUBMITTER: Buathong R

PROVIDER: S-EPMC8251142 | biostudies-literature | 2021 Oct

REPOSITORIES: biostudies-literature

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Multiple clades of SARS-CoV-2 were introduced to Thailand during the first quarter of 2020.

Buathong Rome R Chaifoo Walairat W Iamsirithaworn Sopon S Wacharapluesadee Supaporn S Joyjinda Yutthana Y Rodpan Apaporn A Ampoot Weenassarin W Putcharoen Opass O Paitoonpong Leilani L Suwanpimolkul Gompol G Jantarabenjakul Watsamon W Petcharat Sininat S Bunprakob Saowalak S Ghai Siriporn S Prasithsirikul Wisit W Mungaomklang Anek A Plipat Tanarak T Hemachudha Thiravat T

Microbiology and immunology 20210901 10

In early January 2020, Thailand became the first country where a coronavirus disease 2019 (COVID-19) patient was identified outside China. In this study, 23 whole genomes of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) from patients who were hospitalized from January to March 2020 were analyzed, along with their travel histories. Six lineages were identified including A, A.6, B, B.1, B.1.8, and B.58, among which lineage A.6 was dominant. Seven patients were from China who travele ...[more]

PMID: 33835528

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Project description:ObjectivesFirst responders, including firefighters, emergency medical technicians (EMTs), paramedics, and law enforcement officers, are working on the front lines to fight the COVID-19 pandemic and facing an increased risk of infection. This study assessed the seroprevalence of SARS-CoV-2 infection among first responders in northeastern Ohio.MethodsA survey and immunoglobulin G antibody test against SARS-CoV-2 nucleocapsid protein were offered to University Hospitals Health System-affiliated first-responder departments during May to September 2020. The survey contained questions about demographic characteristics and history of SARS-CoV-2 infection. A total of 3080 first responders with diverse job assignments from more than 400 fire and police departments participated in the study.ResultsOf 3080 participants, 73 (2.4%) were seropositive and 26 (0.8%) had previously positive real-time polymerase chain reaction results. Asymptomatic infection accounted for 46.6% (34 of 73) of seropositivity. By occupation, rates of seropositivity were highest among administration/support staff (3.8%), followed by paramedics (3.0%), EMTs (2.6%), firefighters (2.2%), and law enforcement officers (0.8%). Work-associated exposure rates to COVID-19 patients were: paramedics (48.2%), firefighters (37.1%), EMTs (32.3%), law enforcement officers (7.7%), and administration/support staff (4.4%). Self-reported community exposure was positively correlated with self-reported work-associated exposure rate (correlation coefficient = 0.99). Neither self-reported community nor work-associated exposure was correlated with SARS-CoV-2 seroprevalence. We found no significant difference in seroprevalence among sex/gender or age groups; however, Black participants had a higher positivity rate than participants of other racial groups despite reporting lower exposure.ConclusionsDespite the high work-associated exposure rate to SARS-CoV-2 infection, first responders with various roles demonstrated seroprevalence no higher than their administrative/supportive colleagues, which suggests infection control measures are effective in preventing work-related infection.

Dataset Information

Multiple clades of SARS-CoV-2 were introduced to Thailand during the first quarter of 2020.

Publications

Multiple clades of SARS-CoV-2 were introduced to Thailand during the first quarter of 2020.

Similar Datasets

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