Assessing the Effectiveness and Cost-Benefit of Test-and-Vaccinate Policy for Supplementary Vaccination against Rubella with Limited Doses

Saito, Masaya M.; Ejima, Keisuke; Kinoshita, Ryo; Nishiura, Hiroshi

doi:10.3390/ijerph15040572

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Assessing the Effectiveness and Cost-Benefit of Test-and-Vaccinate Policy for Supplementary Vaccination against Rubella with Limited Doses

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The Institute of Statistical Mathematics, 10-3 Midori-cho, Tachikawa, Tokyo 190-8562, Japan

Core Research for Evolutional Science and Technology (CREST), Japan Science and Technology Agency, 4-1-8 Honcho, Kawaguchi, Saitama 332-0012, Japan

Institute of Industrial Science, The University of Tokyo, Tokyo 153-8505, Japan

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School of Public Health, Indiana University Bloomington, 1025 E 7th St #111, Bloomington, IN 47405, USA

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Graduate School of Medicine, Hokkaido University, Kita 15 Jo Nishi 7 Chome, Kita-ku, Sapporo, Hokkaido 060-9638, Japan

Author to whom correspondence should be addressed.

Int. J. Environ. Res. Public Health 2018, 15(4), 572; https://doi.org/10.3390/ijerph15040572

Received: 23 February 2018 / Revised: 18 March 2018 / Accepted: 21 March 2018 / Published: 22 March 2018

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Abstract

Elevating herd immunity level against rubella is essential to prevent congenital rubella syndrome (CRS). Insufficient vaccination coverage left susceptible pockets among adults in Japan, and the outbreak of rubella from 2012 to 2013 resulted in 45 observed CRS cases. Given a limited stock of rubella-containing vaccine (RCV) available, the Japanese government recommended healthcare providers to prioritize vaccination to those confirmed with low level of immunity, or to those likely to transmit to pregnant women. Although a test-and-vaccinate policy could potentially help reduce the use of the limited stockpile of vaccines, by selectively elevating herd immunity, the cost of serological testing is generally high and comparable to the vaccine itself. Here, we aimed to examine whether random vaccination would be more cost-beneficial than the test-and-vaccinate strategy. A mathematical model was employed to evaluate the vaccination policy implemented in 2012–2013, quantifying the benefit-to-cost ratio to achieve herd immunity. The modelling exercise demonstrated that, while the test-and-vaccinate strategy can efficiently achieve herd immunity when stockpiles of RCV are limited, random vaccination would be a more cost-beneficial strategy. As long as the herd immunity acts as the goal of vaccination, our findings apply to future supplementary immunization strategy. View Full-Text

Keywords: rubella; vaccination; serology; cost-benefit; epidemic; mathematical model; Japan

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MDPI and ACS Style

Saito, M.M.; Ejima, K.; Kinoshita, R.; Nishiura, H. Assessing the Effectiveness and Cost-Benefit of Test-and-Vaccinate Policy for Supplementary Vaccination against Rubella with Limited Doses. Int. J. Environ. Res. Public Health 2018, 15, 572. https://doi.org/10.3390/ijerph15040572

AMA Style

Saito MM, Ejima K, Kinoshita R, Nishiura H. Assessing the Effectiveness and Cost-Benefit of Test-and-Vaccinate Policy for Supplementary Vaccination against Rubella with Limited Doses. International Journal of Environmental Research and Public Health. 2018; 15(4):572. https://doi.org/10.3390/ijerph15040572

Chicago/Turabian Style

Saito, Masaya M., Keisuke Ejima, Ryo Kinoshita, and Hiroshi Nishiura. 2018. "Assessing the Effectiveness and Cost-Benefit of Test-and-Vaccinate Policy for Supplementary Vaccination against Rubella with Limited Doses" International Journal of Environmental Research and Public Health 15, no. 4: 572. https://doi.org/10.3390/ijerph15040572

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Assessing the Effectiveness and Cost-Benefit of Test-and-Vaccinate Policy for Supplementary Vaccination against Rubella with Limited Doses

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