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Investigating immunological interaction between lymphatic filariasis and COVID-19 infection: a preliminary evidence
Abhinav Sinha1, Sanghamitra Pati1, Prakash Kumar Sahoo1
1Division of Virology, ICMR-Regional Medical Research Centre, Bhubaneswar, India.
Abstract:
The foremost concerns of COVID-19 vaccines are safety and efficacy, which becomes grave in countries with a high burden of Neglected Tropical Diseases. Studies proposed helminthic infections might alleviate the efficacy of COVID-19 vaccines. We share preliminary evidence on the association between filariasis and COVID-19 infection. We collated 2 ml of blood from 174 participants residing in filariasis endemic area. To determine filarial antigen, the Og4C3 test and for COVID-19 antibodies, tests through ELISA was performed. COVID-19 antibodies were present among 74/174 (42.5%), whereas filarial antigens were detected in 24/174 (13.8%) participants. An insignificant association [OR = 0.855 (0.36-2.034)] between two was observed. Hence, people in filarial endemic regions can continue taking vaccines without worrying about their efficacy due to the helminthic load in community.
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