Data visualization is one kind of tool from digital technology which has been used during COVID-19. Many organizations have provided online-dashboard from world organizations such as dashboard from WHO https://covid19.who.int/ and Country organization such as https://ddc.moph.go.th/covid19-dashboard/
The Dashboard collected important real time data such as Infected cases, Recovery and Death from COVID-19. It was a real-time national size surveillance because data has been aggregated from Provincial to Tambon (local unit) which were very useful to track and control infected disease. By using active dashboard from the official organization, time-series charts and geographic maps can be applied for effective communication. Moreover, active dashboard could have a variety of designs for users’ convenience and perception.
These data visualization were useful during the outbreak. Without official data dissemination, it might be confusing for the media reporter and general users, and replicated work for staff to collect and report numbers. Only numeric reports might not create effective communication, visualized online information make it quick and easy for people to perceive information. Moreover, because of the online data sources, these could reach a big population which help people to correctly understand the situation and reduce panic.