Vaccine by Nov. 3? Halted study explains just how unlikely

WASHINGTON (AP) — The National Institutes of Health director is telling Congress that AstraZeneca’s suspension of its COVID-19 vaccine study shows there will be “no compromises” on safety in developing the shots. AstraZeneca has put on hold its late-stage studies in the U.S. and other countries while it investigates if a British volunteer’s “potentially unexplained illness” is related to vaccination or a coincidence. NIH chief Dr. Francis Collins pledged