Kevin G. Volpp, Carolyn C. Cannusci. Incentives for Immunity — Strategies for Increasing Covid-19 Vaccine Uptake. N Engl J Med 2021 online
The once-promising pace of Covid-19 vaccination in the United States has slowed, from a peak of 3.38 million shots on April 13, 2021, to fewer than 2 million doses per day in May. Until recently, Americans were competing for limited vaccination slots — a situation that raised equity concerns — but now supply exceeds demand in much of the country, and mass vaccination clinics are closing ..
26 maja 2021