COVID-19: Lessons from Norway tragedy must be considered in vaccine rollout planning in least developed/developing countries

All governments, regulatory authorities, and vaccine-related committees are under tremendous pressure to roll out vaccines to safeguard the people against COVID-19. To be noted that all COVID-19 vaccines have been developed hurriedly, some with new technologies being used on humans for the first time ever. Most clinical trials did not include elderly patients with comorbidities, hence a careful and logical rollout planning, especially for elderly people, is necessary.