We thank the Director of the ICMR-NIRT for constant support. We thank the data entry operators Mr. Jaiganesh and Mr. Vigneshwaran, and also all the staff members of the ICER department for the timely help. We thank D. Sudha Rani Scientist B, staff nurse M. Beula Margrete, technical officers C. K. Sathish Kumar, Annamma Jose, D. Augustine, C. Prabakaran, and B. P. Ashok Kumar, laboratory technicians T. Mahesh, S. Kalaivani, M. Sheeba Mary, and C. Kanagasivam, technical assistant R. Sivakumar, and project assistants Y. Radhakrishnaiah and R. Swapna Shinde. The American Society of Tropical Medicine and Hygiene has waived the Open Access fee for this article due to the ongoing COVID-19 pandemic and has assisted with publication expenses.
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