by Leila MACOR MIAMI BEACH, United States (AFP) — A long line of people snaked across the sand of Miami Beach, Florida, as dozens of travelers from Latin America waited their turn at a pop-up coronavirus vaccination booth. Sweating under the Sunday afternoon sun, visitors checked into an online system — no proof of residence required — and soon after received a free, single-dose Johnson & Johnson vaccine and a vaccination card. People had come […]