George Gerlong commented on an update Indonesia-Monitoring system in WHO immunization strategies and practices (March 2019).

George Gerlong commented on an update Cameroon: Monitoring system- Invest in an information system that identifies and tracks each person’s vaccination status. in WHO immunization strategies and practices (March 2019).

George Gerlong commented on an update Week 1 Community Assignment in WHO immunization strategies and practices (March 2019).

George Gerlong created the update Nigeria: Monitoring Systems.

George Gerlong created the update Week 3 Assignment.

George Gerlong created the update Week 2 Assignment.

George Gerlong added the share Global manual on surveillance of adverse events following immunization to the community 2018 WHO DIP Level 1 ENGLISH-Cohort I.