Seattle becomes most vaccinated city in US, mayor says

City has fully vaccinated 78% of its population, says Jenny Durkan, but San Francisco is on track to be first to reach herd immunity

After fully vaccinating at least 70% of all residents over the age of 12 against Covid-19, Seattle has become the most vaccinated city in America, the mayor said.

Jenny Durkan announced that Seattle has fully vaccinated 78% of its population, beating out San Francisco, who previously held the title, to become America's most inoculated big city.