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Pharmacist Michael Witte, left, gives Neal Browning, right, a shot in the first-stage safety study clinical trial of a potential vaccine for COVID-19, the disease caused by the new coronavirus Monday, March 16, 2020, at the Kaiser Permanente Washington Health Research Institute in Seattle. Browning is the second patient to receive the shot in the study. (AP Photo/Ted S. Warren)

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AP Exclusive: Coronavirus vaccine test opens with 1st doses
March 16, 2020 2:03 p.m.

AP Exclusive: Coronavirus vaccine test opens with 1st doses

SEATTLE (AP) — U.S. researchers gave the first shots in a first test of an experimental coronavirus vaccine Monday, leading off a worldwide hunt for protection even as the pandemic surges.