COVID-19 Vaccination Follow-up System in Lao PDR (Lao-CoVaF) is developed by Mother and Child Health Center Ministry of Health with support from Centers for Disease Control and Prevention (USCDC), and operating by Centre of Information and Education for Health (CIEH) Ministry of Health. Lao-CoVaF provides information about COVID-19 vaccines especially side effects, and assists vaccine recipient after COVID-19 vaccination to check the symptomatic of side effects.

1. Report for symptoms of side effects of the vaccine recipient each day after COVID-19 vaccination; The data will enable health care providers to assess the risk of serious side effects, as well as to collect statistical data on the side effects of the COVID-19 vaccine.

2. Health check for symptoms of side effects; This test allows the vaccine recipient to be checked for any side effects after COVID-19 vaccination that are common or at risk for serious side effects that may allow them to take precautionary and timely measures.

3. Provide information related to the COVID-19 vaccine, such as post-vaccination behavior information, mitigation of side effects, and sharing experiences with others who have been vaccinated.

4. Various advance notifications; Report for symptoms of side effects of the vaccine recipient (registrant and co-registered family member), a reminder to get the second dose before the due date.