Solving the patchwork approach to vaccines

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smerconish   arizona   communicable-disease-control   continents-and-regions   health-and-medical   north-america   public-health   southwestern-united-states   the-americas   united-states   vaccination-and-immunization   coronavirus   diseases-and-disorders   infectious-diseases   life-forms   microscopic-life   viruses   news-and-information   cnn   blu-evo   original-rating-nr-(not-rated)