Press Release - The global COVID-19 vaccination rollout is the biggest and fastest in history but many of those at greatest risk remain unprotected - only 28% of older people and 37% of health care workers in low-income countries have received their primary course of vaccines and most have not received booster doses. Health care workers, over 60s and other at-risk groups must be reached as priorities on the way to reaching the 70% coverage target. WHO's strategy update elevates the targets of vaccinating 100% of health c
