( CNN ) -- Hurricane Sandy could affect as many as 60 million people across the eastern U.S. according to power officials . While some will only loose power , the strong winds , storm surge and pelting rain may cause unprecedented damage for others . Relief organizations are readying supplies and volunteers to respond as needed . Red Cross has opened 190 shelters along the Eastern Seaboard and has hundreds of disaster workers on standby with emergency supplies . `` Red cross will be here for weeks to come . This is a large-scale disaster response , '' Red Cross spokeswoman Catherine Barde told CNN . `` And really we rely on the generosity of volunteers and the public to be able to support such service , whether it 's shelters , mass feeding , all of the services that we are going to be providing . To find out how to volunteer or make a donation to Red Cross , visit the organization 's website or text words `` RED CROSS '' to 90999 to contribute $ 10 to disaster relief efforts . Red Cross is also asking that people in unaffected areas donate blood . The organization shipped supplies to hospitals along the East Coast prior to the storm , but many blood drives in the region have been cancelled which has led to a decrease in supply . Visit RedCrossBlood.org or call 1-800-RED-CROSS to learn more about blood donation or to schedule a donation appointment in your area . AmeriCares is working with health clinics , food banks and other agencies in vulnerable areas to make sure medical and emergency supplies are available where needed . The organization is preparing to ship chronic care medicine , first aid kits , and other relief supplies to help displaced families . Go online to make a donation to the AmeriCares Disaster Relief Fund . Salvation Army says it has hundreds of emergency response vehicles , including mobile canteens and kitchens , on standby . The vehicles will be able to provide thousands of meals to displaced people and first-responders in the storm 's wake . The organization is also providing shelter and hygiene kits for evacuees . For ways to volunteer or to make a contribution to the organization 's disaster relief fund , go online . World Vision is preparing for immediate disaster response and long-term recovery with a specific focus on the needs of children . The organization is readying 400 clean-up kits , 900 emergency food kits and 200 personal hygiene kits in the New York area and hundreds more along the East Coast . To support World Vision 's effort go online to make a donation or text `` GIVEUSA '' to 777444 to make a $ 10 contribution to the organization 's disaster response . As the United States braces for the storm , the Caribbean is already cleaning up from the destruction Sandy left behind . Sandy claimed at least 67 lives , 51 in Haiti , as it crossed the region last week . International Medical Corps has been working in Haiti since 2010 . The organization has teams coordinating with local agencies in Haiti to provide emergency supplies and mobile medical units to hard-hit areas . Go online to support International Medical Corps ' emergency response and ongoing work in Haiti . Operation USA is working to provide access to safe water and support to hospitals and clinics in Cuba . The organization is also providing emergency assistance in Jacmel , Haiti . Donate to Operation USA online or by phone at 1-800-678-7255 or text `` AID '' to 50555 to donate $ 10 to the organization 's disaster relief efforts . For those seeking assistance , you can apply for federal assistance and check the status of your application here . Users can take an anonymous questionnaire to determine which forms of assistance they may be eligible for , apply online , and check the status of the claim . If you are planning to give to a nonprofit other than any of those listed , make sure to verify that it 's legitimate . Charity evaluators like Guidestar and Charity Navigator are good ways to check that the organization you 're donating to is established , and that your funds will go where you intend .
Hurricane Sandy could affect as many as 60 million people . Relief organizations are readying supplies and volunteers . Score: 6 International Medical Corps and Operation USA are providing aid to Haiti , Cuba .