Johnson & Johnson Coronavirus vaccine illustrationDado Ruvic | ReutersDr. Rochelle Walensky, director of the Centers for Disease Control and Prevention, signed off Sunday on Johnson & Johnson’s one-shot Covid-19 vaccine for those 18 years of age and older as the federal government prepares to ship out millions of doses this week.Walensky’s green light comes after an advisory panel to the CDC voted unanimously to recommend the use of Johnson & Johnson’s vaccine. “Today marks an encouraging step toward an end to the #COVID19 pandemic,” Walensky wrote on Twitter. “I have now signed CDC’s Advisory Committee on Immunization Practices’ (ACIP) recommendation that endorsed the safety …
