When physician Meena Hasan watched news reports of desperate people arriving on the shores of Europe by boat in search of a better life, she felt compelled to help.

Just months after beginning a new job with Kaiser Permanente in the Maryland suburbs of Washington, Hasan recently spent a week of her vacation volunteering with Salaam Cultural Museum, treating people arriving in Lesbos, Greece.

Hasan says she provided a range of care, from treating colds and giving out medications for diabetes or high blood pressure to performing CPR on people injured in boat accidents.

Despite the migrants' harrowing journeys, Hasan says she noticed their resilience and gratitude. She says that has made it tougher to hear negative comments about refugees in the media since her return to the United States.