Laurie Garrett is a columnist at Foreign Policy, a former senior fellow for global health at the Council on Foreign Relations, and a Pulitzer Prize-winning science writer.
A nurse administers a measles vaccine to a boy in the school of Lapaivka village near the western Ukrainian city of Lviv on Feb. 21, 2019. (Yuri Dyachyshyn/AFP/Getty Images)
A member of the medical staff of the Ebola Treatment Unit at the Bwera General Hospital in western Uganda on Dec. 12, 2018. (Isaac Kasmani/AFP/Getty Images)
Three Congolese ride a motorbike and carry a cross for a grave in Mangina, North Kivu province, Democratic Republic of the Congo, on Aug. 23. (John Wessels/AFP/Getty Images)
Donald Trump and German Chancellor Angela Merkel on the second day of the G20 summit on July 8, 2017 in Hamburg, Germany. (Ukas Michael - Pool/Getty Images)
Medical workers wearing protective suits take part in a training prior to leave to countries affected by the Ebolas virus, in an empty factory warehouse in Amsterdam, on Nov. 5, 2014. (BAS CZERWINSKI/AFP/Getty Images)
Prince William, Duke of Cambridge and Catherine, Duchess of Cambridge depart the Lindo Wing with their newborn son at St Mary's Hospital on April 23, 2018 in London, England. (Chris Jackson/Getty Images)
U.S. President Donald Trump and first lady Melania Trump visit Broward Health North hospital in Pompano Beach, Florida, on Feb. 16. (Jim Watson/AFP/Getty Images)
Performers entertain the crowd during the Opening Ceremony of the PyeongChang 2018 Winter Olympic Games at PyeongChang Olympic Stadium on Feb. 9 in Pyeongchang-gun, South Korea. (Richard Heathcote/Getty Images)