The Covid-19 vaccine rollout faces a two-shot problem

The Covid-19 vaccine rollout faces a two-shot problem

Andrew Noymer, a medical demographer and associate professor of population health and disease prevention at the University of California, Irvine, who criticized the Biden officials’ plan on Twitter, adds: “We’re in the situation we’re in right now because everything that could go wrong has gone wrong—with testing, with contact tracing, and so on. The idea that we’re going to get this all sorted out in three weeks, when those second doses are due, is a fantasy. It’s playing with fire.”