As the nation gears up to vaccinate tens of millions of Americans against the novel coronavirus, public health officials… are facing novel dilemmas, driven by the urgency of the pandemic, the fact that only a small minority may have immunity from prior exposure and by the vaccine available at each site, with the differing intervals between shots depending on the manufacturer.
They will need to keep track of people who have received one dose in order to send a reminder about the need to return a few weeks later. They worry that the first vaccine may make people feel just sick enough that they won’t want to go through the ordeal again. And they foresee hitches if people get their first dose at, say, Walgreens and go to CVS for their second, or, worse still, if they cross state borders, moving from one health department’s registration system to another.
“Two doses more than doubles the logistical challenges of administering the vaccines,” said Jeffrey Duchin, health officer for public health in Seattle and King County, Wash. “The moving parts have to align.”
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A two- or three-dose dose regimen is routine for building immunity against many illnesses, but it is unprecedented in a pandemic when the public health goal is to vaccinate 60 to 70 percent of the population within months.
