Seroprevalence of SARS-CoV-2 in migrant workers in Kuwait

Alali, Walid; Bastaki, Hamad; Longenecker, J. Craig; Aljunid, Syed Mohamed; AlSeaidan, Mohammad; Chehadeh, Wassim; Vainio, Harri

doi:10.1093/jtm/taaa223

Cited by 16 publications

(20 citation statements)

References 5 publications

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“…Seroprevalence in the food industry was 5.07% (95%CI 4.10–6.03), but no data on supermarket workers were available, while a high seroprevalence of 36.8% was observed in a study conducted in Kuwait ( n = 525) among migrant supermarket workers. ( Alali et al , 2020 ) Other workers not considered in our research were the food delivery riders despite high prevalence of infection ( n = 15.2%) was found in bike and motorbike riders in Ecuador ( Ortiz-Prado et al , 2021 ). We noted that people involved in logistics had an increased probability of having SARS-CoV-2 antibodies (31.25%).…”

Section: Discussionmentioning

confidence: 91%

“…Moreover, they can help to estimate the burden of SARS-CoV-2 among different sector and identify jobs with higher risk of infection. Despite general population-based seroepidemiological surveys were done ( Chen et al , 2021 ) and many studies were conducted focusing on healthcare workers ( Galanis et al , 2020 ), few studies were available on the other specific worker sectors ( Alali et al , 2020 ; Caban-Martinez et al , 2020 ; Chughtai et al , 2020 ; Halatoko et al , 2020 ; Lopez et al , 2020 ; Payne et al , 2020 ; Jerković et al , 2021 ; Lewnard et al , 2021 ; Ortiz-Prado et al , 2021 ). In Italy, a seroprevalence survey involving 64660 subjects was conducted between May 25 and July 15 by the National Institute of Statistics (ISTAT) and reported an overall seroprevalence of 2.5%, even if there is high variability among regions, with values of 3.0% [95% CI 2.2–3.8] and 7.5% [95%CI 6.8–8.3] of positive proportion in Piedmont and Lombardy, respectively (Northern western Italian regions) ( Istat, 2020 ).…”

Section: Introductionmentioning

confidence: 99%

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Seroprevalence of SARS-CoV-2 Among Workers in Northern Italy

Airoldi

Calcagno

Perri

et al. 2021

Annals of Work Exposures and Health

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Background The spread of severe acute respiratory coronavirus 2 (SARS-CoV-2) among active workers is poor known. The aim of our study was to evaluate the seroprevalence of immunoglobulin G (IgG) among a convenience sample of workers and to identify high-risk job sectors during the first pandemic way. Methods We conducted a cross-sectional study among workers tested for SARS-CoV-2 between 28 March and 7 August 2020, recorded by a private healthcare center located in North-West Italy. Association among seroprevalence and demographic and occupational variables was evaluated using chi square test and the seroprevalence and 95% confidence intervals (CI) were calculated. Results We collected the results for 23568 serological tests from a sample of 22708 workers from about 1000 companies. Median age was 45 years and about 60% of subjects were male. The overall seroprevalence was 4.97% [95%CI 4.69–5.25]. No statistical difference was found among gender while seroprevalence was associated with subjects’ age, geographical location, and occupational sector. Significantly higher values of positivity were observed for the logistics sector (31.3%), weaving factory (12.6%), nursing homes (9.8%), and chemical industry (6.9%) workers. However, we observed some clusters of cases in single companies independently from the sector. Then, a detailed focus on 940 food workers shown a seroprevalence of 5.21% [95%CI 3.79–6.63] and subjects who self-reported COVID-19 symptoms and who worked during lockdown had a higher probability of being infected (p < 0.001). Conclusions Data obtained might be useful for future public health decision; more than occupation sector, it seems that failure on prevention system in single companies increase the SARS-CoV-2 transmission.

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Section: Discussionmentioning

confidence: 91%

Section: Introductionmentioning

confidence: 99%

Seroprevalence of SARS-CoV-2 Among Workers in Northern Italy

Airoldi

Calcagno

Perri

et al. 2021

Annals of Work Exposures and Health

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“…15 A study among migrant workers in Kuwait revealed a 38% seroprevalence rate during May-June 2020. 16 The seroprevalence rate among Kenyan blood donors was estimated at 4.3% during April-June 2020. 17 In comparison with the above-mentioned reports, our study is the only one that relied on neutralizing antibodies to determine seroprevalence of SARS-CoV-2 antibodies.…”

Section: Discussionmentioning

confidence: 99%

Determinants of having severe acute respiratory syndrome coronavirus 2 neutralizing antibodies in Egypt

Rifay

Mahmoud

Marouf

et al. 2021

Influenza Resp Viruses

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Background: Reported laboratory-confirmed COVID-19 cases underestimate the true burden of disease as cases without laboratory confirmation, and asymptomatic and mild cases are missed by local surveillance systems. Population-based seroprevalence studies can provide better estimates of burden of disease by taking into account infections that were missed by surveillance systems. Additionally, little is known about the determinants of seroconversion in community settings.Methods: We conducted a cross-sectional serologic survey among 888 participants in Egypt.Results: Neutralizing antibodies were detected in 30% of study volunteers. Age and educational level were associated with being seropositive as people older than 70 years and people with graduate degrees had lower seroprevalence. Self-reporting cases having COVID-19-related symptoms such as fever, malaise, headache, dyspnea, dry cough, chest pain, diarrhea, and loss of taste or smell were all associated with having antibodies. Fever and loss of taste or smell were strong predictors with odds ratios of 2.1 (95% confidence interval: 1.3-3.5) and 4.5 (95% confidence interval: 2.6-7.8), respectively.Conclusions: Our results can guide COVID-19 prevention and control policies and assist in determining the immunity level in some Egyptian communities.

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“…The overall seroprevalence of the SARS-CoV-2 antibody in this study was 50.2% with differences between the included cities (33.8–65.4%). In a study from a neighboring country, Kuwait, the seroprevalence of anti-SARS-CoV-2 antibodies was 38.1% (95% CI 34.0–42.3) among migrant workers [ 17 ]. In a review study, the seroprevalence of SARS-CoV-2 antibodies among people in slums was 41.7% (40.0–43.4%) [ 18 ].…”

Section: Discussionmentioning

confidence: 99%

High seroprevalence of SARS-CoV-2 among high-density communities in Saudi Arabia

et al. 2021

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Background The Severe Acute Respiratory Syndrome Coronavirus 2 (SARS‐CoV‐2) infection had been investigated utilizing serology. Materials and methods This community-based sero-survey was carried out in the neighborhoods of three cities in Saudi Arabia. Results Of 5629 participants, 2766 (49.1%) were women; and 2148 (38.1%) were 18–34 years of age, and 3645 (64.7%) were from South East Asia. Positive serology was seen in 2825 (50.2% (95% CI: 48.8–51.5%) for SARS-CoV-2 anti-S1 IgG antibodies by ECLIA. Being in the age category of 18–34 years and being from Eastern Mediterranean Region (country A) were associated with higher COVID-19 seropositivity with estimated odds ratio of 1.3 [95% CI 1.1–1.8] and 2.5 [95% CI 1.1.5–4.2] respectively. Gender, social status, education, nationality, symptoms, presence of comorbidities and activity style were positively associated with increased seropositivity. Factors associated negatively with the rate of seropositivity were higher education and having outdoor activity with estimated OR of 0.92 [95% CI 0.46–0.95] and 0.59 [95% CI 0.47–0.74], respectively. Conclusion The study showed high seroprevalence of SARS-CoV-2 among high density population. Health education campaigns should target middle-aged, those with low education, those living in lower standards and indoor workers.

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Seroprevalence of SARS-CoV-2 in migrant workers in Kuwait

Cited by 16 publications

References 5 publications

Seroprevalence of SARS-CoV-2 Among Workers in Northern Italy

Seroprevalence of SARS-CoV-2 Among Workers in Northern Italy

Determinants of having severe acute respiratory syndrome coronavirus 2 neutralizing antibodies in Egypt

High seroprevalence of SARS-CoV-2 among high-density communities in Saudi Arabia

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