Although public health has been around for a long time, the induction of informatics in it is a relatively recent development. Using the Internet search find two public health informatics tools that were used to monitor, prevent, and mitigate public health events. What was their role during the COVID-19 pandemic? Why? What were the challenges faced by policymakers and public health officials regarding the use of health informatics during the COVID-19 pandemic? How were these challenges overcome.