Want to help Ukraine? Bring a needed skill or stay home and send cash

A firefighter putting out a barn fire from Russian shelling that hit multiple civilian locations in the city of Kharkiv. Photo: Carol Guzy/ZUMA Press Wire/dpa

Two days after Russian forces invaded Ukraine, the World Health Organization issued a global request: The war-torn country needed doctors, nurses and EMTs with experience in complex emergencies.

Within days, a 22-person group from Team Rubicon, an international disaster-response nonprofit based near Los Angeles International Airport, flew to Krakow, Poland.