ABSTRACT: Hands have an important role in the transmission of the COVID-19 virus. This virus primarilyspread through droplet and contact transmission. Contact transmission means by touching infected people orcontaminated objects, thus your hands can spread the virus into the body through unconscious touch to the eyes,nose, and mouth. Therefore, hand washing is one of the most effective actions that you can take to prevent thespread of the COVID-19 virus. WHO as an international health organization has the responsibility to inform andeducate the community to fight COVID-19 by adopting hand hygiene as part of from day to day practices untilitbecomes a good habit and or their lifestyle. This study aims to understand how the application of WHO handwashing campaign in Indonesia. The theory used is Diffusion of Innovations by Everett M Rogers, withqualitative constructivist research methods. The results of the study stated that WHO did not stand alone whensocializing the hand washing campaigns. WHO makes the key message, the guidelines and then distribute it totheir social media accounts and all their agent of change, such as local governments, and the ambassador and orthe KOL. The next step is the local governments of each country will adjust the campaign according to theculture and characteristics of the potential adopters in each country. The level of adoption also depends onIndonesian culture then the cognitive, affective, and conative effects received by the potential adopters.
Keywords -Diffusion of Innovation;Health Campaign; Health Communication; International Communication;New Media