Headline: We are getting 'closer and closer' to herd immunity, says doctorLink: https://wjla.com/news/nation-world/we-are-getting-closer-and-closer-to-herd-immu…Publication Date: Monday, April 26, 2021Primary Source: WJLA.com (Washington D.C.)Non-Cato Author: Elissa SalamyType: new media postFormat: New MediaNature of Mention: featuredScholar: Singer, Jeffrey A.Research Area: Health, Welfare & EntitlementsSubjects: reaching herd immunity