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April 13, 2020

Chloroquine Study in Brazil Halted After Patients Develop Irregular Heart Rate
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In Brazil, a study involving chloroquine's effect on coronavirus
patients was stopped after participants developed irregular heart rates,
which can increase the risk of potentially fatal arrhythmia. Eleven
patients also died. President Trump has repeatedly touted
hydroxychloroquine, a derivative of chloroquine, to treat COVID-19.


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