"The bulk of Strep A research has used animal models but only humans are naturally infected by Strep A," he said. This research helps vaccine developers to answer that key question and proves that we ...
A Martínez is one of the hosts of Morning Edition and Up First. He came to NPR in 2021 and is based out of NPR West. Before he joined KPCC, Martínez had never listened to public radio. He views his ...
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