Americans are rushing to get vaccinated as covid-19 cases spread
The supply of vaccine soon won’t be a constraint
![](https://cdn.statically.io/img/www.economist.com/cdn-cgi/image/width=1424,quality=80,format=auto/sites/default/files/images/2021/03/articles/main/20210403_usp502.jpg)
WHAT’S THE most fun to be had in Roscoe, a suburban village in northern Illinois, after dark on Friday? Judging by the happy chatter of those queuing between racks of suntan lotion in a Walgreens chemist last week, nothing beats an appointment for a covid vaccine. They were welcomed by a pair of efficient pharmacists who dashed off paperwork, then gave injections behind a screen on the shop floor. At the evening’s end a vial with a single dose of Moderna vaccine lay unused. To avoid waste, the pharmacist stuck it in your grateful correspondent’s left arm.
This article appeared in the United States section of the print edition under the headline “Winning the upper-arms race”
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