Prospective study on COVID-19 seroprevalence and behavioural patterns in military personnel from the Southern Brazil

Decker, Sérgio Renato da Rosa; Dambros, Eduardo; Reis, Rafael; Nedel, Carlos Eduardo; Plotzki, Renan; Bertoldi, Eduardo Gehling

doi:10.1080/23744235.2021.1995039

Cited by 2 publications

(4 citation statements)

References 7 publications

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“…14 , 15 Few seroprevalence studies focused on public safety personnel. 16 , 17 , 18 , 19 , 20 , 21 , 22 Garbarino et al 20 reported an overall seroprevalence of 4.8% in 10,535 police officers in Italy, with a higher seroprevalence in northern (9%) than in southern regions (1.6%).…”

Section: Discussionmentioning

confidence: 99%

“…14,15 Few seroprevalence studies focused on public safety personnel. [16][17][18][19][20][21][22] Garbarino et al 20 reported an overall seroprevalence of 4.8% in 10,535 police officers in Italy, with a higher seroprevalence in northern (9%) than in southern regions (1.6%). In our cohort, the seroprevalence at the baseline was 12.9% in February 2021, similar to that reported in the general population.…”

Section: Discussionmentioning

confidence: 99%

“…Seroprevalence studies are useful means to estimate the true extent of SARS‐CoV‐2 infection among a population 14,15 . Few seroprevalence studies focused on public safety personnel 16–22 . Garbarino et al 20 reported an overall seroprevalence of 4.8% in 10,535 police officers in Italy, with a higher seroprevalence in northern (9%) than in southern regions (1.6%).…”

Section: Discussionmentioning

confidence: 99%

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Serosurveillance after a COVID‐19 vaccine campaign in a Swiss police cohort

Sendi

Thierstein

Widmer

et al. 2022

Immunity Inflam & Disease

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Introduction To assess the risk for COVID‐19 of police officers, we are studying the seroprevalence in a cohort. The baseline cross‐sectional investigation was performed before a vaccination campaign in January/February 2021, and demonstrated a seroprevalence of 12.9%. Here, we demonstrate serosurveillance results after a vaccination campaign. Methods The cohort consists of 1022 study participants. The 3‐ and 6‐month follow‐up visits were performed in April/May and September 2021. Data on infection and vaccination rates were obtained via measuring antibodies to the nucleocapsid protein and spike protein and online questionnaires. Results The mean age of the population was 41 ( SD 8.8) years, 72% were male and 76% had no comorbidity. Seroconversion was identified in 1.05% of the study population at the 3‐month visit and in 0.73% at the 6‐month visit, resulting in an infection rate of 1.8% over a time period of 6 months. In comparison, the infection rate in the general population over the same time period was higher (3.18%, p = .018). At the 6‐month visit, 77.8% of participants reported being vaccinated once and 70.5% twice; 81% had an anti‐S antibody titer of >250 U/ml and 87.1% of ≥2 U/ml. No significant association between infection and job role within the department, working region, or years of experience in the job was found. Anti‐spike antibody titers of vaccinated study participants showed a calculated decreasing trend 150–200 days after the second vaccine dose. Conclusion These data confirm the value of the vaccination campaign in an exposed group other than healthcare professionals.

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Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

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Serosurveillance after a COVID‐19 vaccine campaign in a Swiss police cohort

Sendi

Thierstein

Widmer

et al. 2022

Immunity Inflam & Disease

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“…Indirect support of the latter option is provided by assessments of the beliefs and attitudes of military personnel towards the COVID-19 pandemic, which showed that the spectrum of attitudes was considerable and, by far, not all soldiers considered the diseaseassociated threat as serious [20,21]. It is likely that negative attitudes towards restrictive infection control measures might have been facilitated by the fact that soldiers were much less endangered than civilians by COVID-19 in terms of both the need for intensive care treatment and death [22], which is a typical "healthy worker effect".…”

Section: Introductionmentioning

confidence: 99%

Effects of COVID-19-Associated Infection Control on the Pattern of Infections Imported by German Soldiers and Police Officers Returning from Predominantly Tropical Deployment Sites

Wiemer,

Halfter,

Müseler

et al. 2023

Infectious Disease Reports

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In response to the COVID-19 pandemic, German public health authorities launched various infection control procedures. In line with this, anti-pandemic infection control was also implemented for German military and police deployments. The presented study assessed the impact of this increased infection control effort on deployment-associated infections in a holistic approach. To do so, the results of post-deployment assessments offered to German soldiers and police officers at the Department of Tropical Medicine and Infectious Diseases of the Bundeswehr Hospital Hamburg obtained during the pandemic period were compared to the results recorded during the pre-pandemic period in an exploratory, hypothesis-forming comparative study. In total, data from 1010 military deployments and 134 police deployments, predominantly to the African or the Eastern Mediterranean WHO regions, were included in the analyses. In the main results, a significant decrease in gastroenteritis in deployed soldiers (20.1% versus 61.3%, p < 0.0001) and at least a trend in the same direction in deployed police officers (25.7% versus 35.4%, p = 0.4026) were shown for the pandemic period, while no consistent tendency into the one or the other direction was detectable for febrile illness on deployment. In contrast to the finding of less frequently reported deployment-associated gastroenteritis, the detection rates of enteric microorganisms after deployment, including poor hygiene-related colonization with apathogenic protozoa, remained unchanged. Regarding non-enteric infections, the numbers of serologically confirmed malaria cases on deployment and as expected, due to increased airway protection, Mycobacterium tuberculosis-specific immune-conversion dropped significantly with p = 0.0037 and p = 0.009, respectively. As a side finding, soldiers and police officers with post-deployment medical assessments were more likely to be older and male during the pandemic compared to the pre-pandemic period. In summary, only minor changes in deployment-associated infection and colonization rates were seen in response to the increased infection control procedures during the pandemic period, apart from respiratory infections. In particular, the clinical finding of less gastroenteritis on deployment was not matched by a concordant decline in poor hygiene-related enteric colonization with apathogenic protozoa in the soldiers’ guts, indicating that the fecal–oral transmission risk remained basically the same.

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Prospective study on COVID-19 seroprevalence and behavioural patterns in military personnel from the Southern Brazil

Cited by 2 publications

References 7 publications

Serosurveillance after a COVID‐19 vaccine campaign in a Swiss police cohort

Serosurveillance after a COVID‐19 vaccine campaign in a Swiss police cohort

Effects of COVID-19-Associated Infection Control on the Pattern of Infections Imported by German Soldiers and Police Officers Returning from Predominantly Tropical Deployment Sites

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