( CNN ) -- Flooding caused by monsoon rains and swollen rivers has ravaged Thailand , affecting more than 9.5 million people nationwide . More than 380 people have died , and the overall damage is an estimated $ 6 billion dollars , the Thai Finance Ministry says . It is the worst flooding to hit the country in half a century , according to the Thai government . As the murky waters rise , so do health concerns . Charities working in the country predict water- and insect-borne illnesses like dengue fever and malaria will spike in the coming weeks . Relief organizations are on the ground providing shelter , supplies and medical aid to flood victims , and there are ways you can help . World Vision is passing out emergency relief kits and hygiene supplies to people living in highly affected areas . Mosquito nets are being distributed to help minimize the spread of insect-borne diseases as the waters crest . The orgnization is constructing safe places for children to play away from dangerous floodwater . At these `` Child-Friendly Spaces , '' kids can also participate in activities to help them cope with the trauma of this experience . Visit World Vision 's website to make a donation to the organization 's Disaster Response Fund . ShelterBox Response Teams have distributed 250 tents , 1000 mosquito nets and numerous water purifiers to flood victims in Ayutthaya and Lopburi . ShelterBox also delivered several `` Classrooms in a Box '' to damaged schools , and teams are working with the Thai army to build an evacuation shelter site . `` The army expects the site to be in use for around two months , so it is essential that it is well set up with secure , weather-proof shelter and good water , sanitation and hygiene facilities , '' says ShelterBox member Stephen Crabtree . To make a one-time $ 10 donation to ShelterBox from the United States , text `` SHELTER '' to 20222 on your mobile phone . Go online to donate from other countries . Volunteers and staff with the International Federation of the Red Cross and Red Crescent Societies are working to distribute aid to communities cut off by the floods for over a week . The Thai Red Cross , an IFRC member , has helped victims in 36 provinces since the flooding began in June . It says it has given out more than 175,000 aid kits and 2 million bottles of water . Go online to donate to IFRC 's Disaster Relief Emergency Fund . Catholic Relief Services and its partners have provided thousands of flood victims with weeks ' worth of food aid , emergency medicine , and personal hygiene kits in some of the hardest hit areas around Bangkok . `` As we traveled , the water levels gradually rose to the point where shops were flooded -- some still open for business in knee-high water , '' said CRS response team member Ross Tomlinson . `` As night fell , we saw more and more people living in temporary shelters surrounded by their household goods . '' As the water subsides , CRS says it will continue to help families rebuild and reestablish their businesses . Vist the CRS website to donate online or call 1-800-736-3467 from the United States to donate by phone . Smiles on Wings has launched a flood relief mission to help victims in Thailand . Their Chiangmai-based team is preparing survival packs for 80 to 100 families living in Ayudhaya , an area north of Bangkok where severe flooding has left many families homeless . Survival packs include necessities like water , toilet paper and mosquito lotion . Each survival pack costs 540 baht or 18 dollars for one family . Go online to make a general donation from the United States or other countries .
Floods in Thailand have left hundreds dead , billions of dollars worth of damage . It is the worst flooding to hit the country in half a century , Thai government says . Score: 6 There are ways you can support relief efforts for flood victims in Thailand .