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2021-03-17
Zeeman Institute (SBIDER), University of Warwick, Mathematical Sciences Building, Gibbet Hill Road, Coventry, CV4 7AL, UK.; Department of Epidemiology and Public Health, Swiss Tropical and Public Health Institute, Socinstrasse 57, Postfach, CH-4002 Basel, Switzerland.; Zeeman Institute (SBIDER), University of Warwick, Mathematical Sciences Building, Gibbet Hill Road, Coventry, CV4 7AL, UK.; Department of Statistics, University of Warwick, Mathematical Sciences Building, Gibbet Hill Road, Coventry, CV4 7AL, UK.; Programme National de lutte contre la THA (PNLTHA), Kinshasa 2, Democratic Republic of the Congo.; Department of Statistics, University of Warwick, Mathematical Sciences Building, Gibbet Hill Road, Coventry, CV4 7AL, UK.; Zeeman Institute (SBIDER), University of Warwick, Mathematical Sciences Building, Gibbet Hill Road, Coventry, CV4 7AL, UK.; Department of Epidemiology and Public Health, Swiss Tropical and Public Health Institute, Socinstrasse 57, Postfach, CH-4002 Basel, Switzerland.; Zeeman Institute (SBIDER), University of Warwick, Mathematical Sciences Building, Gibbet Hill Road, Coventry, CV4 7AL, UK.
Many control programmes against neglected tropical diseases have been interrupted due to the coronavirus disease 2019 (COVID-19) pandemic, including those that rely on active case finding. In this study we focus on gambiense human African trypanosomiasis (gHAT), where active screening was suspended in the Democratic Republic of Congo (DRC) due to the pandemic. We use two independent mathematical models to predict the impact of COVID-19 interruptions on transmission and reporting and achievement of the 2030 elimination of transmission (EOT) goal for gHAT in two moderate-risk regions of the DRC. We consider different interruption scenarios, including reduced passive surveillance in fixed health facilities, and whether this suspension lasts until the end of 2020 or 2021. Our models predict an increase in the number of new infections in the interruption period only if both active screening and passive surveillance were suspended, and with a slowed reduction-but no increase-if passive