CLEAN: WHO says swine flu vaccine is on track

The video discusses the timely delivery of vaccines by manufacturers and emphasizes the importance of maintaining vaccine safety and quality. It highlights the need for robust post-vaccination monitoring to identify any adverse effects. The World Health Organization, along with global laboratories, is closely monitoring the virus for any changes in virulence. The video also touches on the economic impact of the pandemic, drawing parallels to the Great Depression, and stresses the importance of navigating these challenges effectively.

What challenges are associated with the development of vaccines?

What are the potential adverse effects of vaccines, and how are they investigated?