•In general, Thai people think that they know quite well about preventing viral diseases
•Age does not related to the knowledge of preventing viral diseases, this might be the outcome of long running DDC’s campaigns that is continuing giving knowledges to public for decades
•The most common method for Thai people to prevent spreading is using serving spoon
•Surgical masks is the way that Thai people think it could slow down the spreading rate of diseases, despite the researches from around the world do not support this method.