tetano
Editor, Senior Moderator
J Gen Fam Med
. 2020 Dec 16;22(3):160-162.
doi: 10.1002/jgf2.408. eCollection 2021 May.
Seroprevalence of SARS-CoV-2 in Utsunomiya City, Greater Tokyo, after the first pandemic in 2020
Nobutoshi Nawa[SUP] 1 [/SUP], Jin Kuramochi[SUP] 2 [/SUP], Shiro Sonoda[SUP] 2 [/SUP], Yui Yamaoka[SUP] 3 [/SUP], Yoko Nukui[SUP] 4 [/SUP], Yasunari Miyazaki[SUP] 5 [/SUP], Takeo Fujiwara[SUP] 3 [/SUP]
Affiliations
Abstract
Background: A seroepidemiological study was conducted on a random sample of households in Utsunomiya City, Tochigi Prefecture, Greater Tokyo, Japan, to assess the seroprevalence of SARS-CoV-2.
Methods: The level of IgG antibodies in the blood of the recruited subjects was assessed using chemiluminescence immunoassay analysis. In addition, the population-based prevalence of SARS-CoV-2 was estimated.
Results: Three positive afebrile cases were confirmed. The estimated unweighted prevalence and weighted prevalence of SARS-CoV-2 infection were 0.40% and 1.23%, respectively.
Conclusions: This study suggests that the prevalence of SARS-CoV-2 may have been underestimated. Wider testing strategies may lead to revealing more SARS-CoV-2 cases.
Keywords: communicable diseases; coronavirus infections; seroepidemiologic studies.
. 2020 Dec 16;22(3):160-162.
doi: 10.1002/jgf2.408. eCollection 2021 May.
Seroprevalence of SARS-CoV-2 in Utsunomiya City, Greater Tokyo, after the first pandemic in 2020
Nobutoshi Nawa[SUP] 1 [/SUP], Jin Kuramochi[SUP] 2 [/SUP], Shiro Sonoda[SUP] 2 [/SUP], Yui Yamaoka[SUP] 3 [/SUP], Yoko Nukui[SUP] 4 [/SUP], Yasunari Miyazaki[SUP] 5 [/SUP], Takeo Fujiwara[SUP] 3 [/SUP]
Affiliations
- PMID: 33977017
- PMCID: PMC8090832
- DOI: 10.1002/jgf2.408
Abstract
Background: A seroepidemiological study was conducted on a random sample of households in Utsunomiya City, Tochigi Prefecture, Greater Tokyo, Japan, to assess the seroprevalence of SARS-CoV-2.
Methods: The level of IgG antibodies in the blood of the recruited subjects was assessed using chemiluminescence immunoassay analysis. In addition, the population-based prevalence of SARS-CoV-2 was estimated.
Results: Three positive afebrile cases were confirmed. The estimated unweighted prevalence and weighted prevalence of SARS-CoV-2 infection were 0.40% and 1.23%, respectively.
Conclusions: This study suggests that the prevalence of SARS-CoV-2 may have been underestimated. Wider testing strategies may lead to revealing more SARS-CoV-2 cases.
Keywords: communicable diseases; coronavirus infections; seroepidemiologic studies.