Delay in Second Dose of Covid 19 Vaccine Anticipated

Within a couple weeks after a first vaccine dose, people are well protected against severe COVID-19, new data suggest.
With demand for shots far outpacing supply, that’s sparked a debate among scientists and policy makers: Is it OK to hold off giving the second dose?
Delaying the dose could make way for more people to get their first shots and stem the coronavirus’s spread, proponents say.
Opponents say there’s not enough data to show if that one-shot protection is long-lasting enough.
And...