Efforts to vaccinate Arizonans against COVID-19 are ongoing but the pace is slowing. The number of doses administered each day is down from peaks seen in late March and early April. Similar trends nationwide are cause for concern among some experts who are worried that hesitancy could delay the country from reaching herd immunity. We discussed reasons why some are hesitant and what the science says with University of Arizona immunologist Michael Johnson.
Arizona 360 airs Fridays at 8:30 p.m. on PBS 6 and Saturdays at 8 p.m. on PBS 6 PLUS. See more from Arizona 360.
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