Daniela Chavarriaga holds her daughter Emma as Dr. Jose Rosa-Olivares administers a measles vaccination at Miami Children's Hospital. Joe Raedle/Getty Images hide caption

itoggle caption Joe Raedle/Getty Images

Lena Dunham's new collection of personal essays about her relationships, friendships and obsessive-compulsive disorder has received rave reviews. Autumn de Wilde/Courtesy of Random House hide caption

itoggle caption Autumn de Wilde/Courtesy of Random House