The International Council of Nurses is a federation of national nurses organizations. You may download the graphic above from this site and post it to show support for peace. Donations to the ICN Humanitarian Fund can be sent to help nurses in Ukraine, or to nurses in Poland, Moldova, Slovakia, Hungary, and Romania who are caring for Ukrainian refugees.
International Council of Nurses: https://www.icn.ch/
The World Health Organization is monitoring the war in Ukraine as well as the ongoing COVID-19 pandemic. WHO is helping to get medical supplies and equipment to those in need in Ukraine. Donations for Ukraine can be made through the WHO Foundation.
World Health Organization: https://www.who.int/emergencies/situations/ukraine-emergency or https://www.who.int/
International Committee of the Red Cross is working to basic necessities as well as medical supplies to Ukraine. Donations can be made through the ICRC Foundation.