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Opinion

In Philadelphia’s measles outbreak, a reminder of the importance of vaccines | Editorial

The actions of anti-vaxxers threaten to erase decades of public health gains and reintroduce long-dormant diseases to vulnerable populations.

Robert F. Kennedy Jr. (left) stands with protesters at the Capitol in Olympia, Wash., in 2019, where they opposed a bill to tighten measles, mumps, and rubella vaccine requirements for school-age children.
Robert F. Kennedy Jr. (left) stands with protesters at the Capitol in Olympia, Wash., in 2019, where they opposed a bill to tighten measles, mumps, and rubella vaccine requirements for school-age children.Read moreTed S. Warren / AP