Seattle and San Francisco Reach COVID-19 Herd Immunity: How They Did It

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Nearly 70 percent of eligible San Francisco residents are fully vaccinated against COVID-19. Scott Strazzante/The San Francisco Chronicle/Getty Images
  • San Francisco and Seattle have become the first U.S. cities to achieve herd immunity vaccination levels against COVID-19.
  • Officials say the cities reached this milestone by establishing mass vaccination sites, going into targeted neighborhoods with the vaccines, and educating the public about the importance of getting inoculated.
  • Experts say herd immunity across the United States will be difficult to reach due to low vaccination rates in some states.

Seattle’s mayor has proclaimed that her city is the first metropolis in the United States to reach vaccine-induced herd immunity against COVID-19.

Mayor Jenny Durkan made the announcement a week ago. She said 70 percent of Seattle residents 12 years old and older are fully vaccinated, and 78 percent have had at least one shot.

Two days later, San Francisco Mayor London Breed announced that her city had also reached a major milestone. She said that 80 percent of eligible San Franciscans had received at least one COVID-19 vaccine, and nearly 70 percent were fully vaccinated.

Source: healthline