| Artist | : | As vaccination has increased, diseases have declined |
| Title | : | World Health Organization (WHO) |
| Duration | : | 30 |
| Source | : | Youtube |
| Type of file | : | Audio/Video (.mp3 .mp4) |
| Artist | : | As vaccination has increased, diseases have declined |
| Title | : | World Health Organization (WHO) |
| Duration | : | 30 |
| Source | : | Youtube |
| Type of file | : | Audio/Video (.mp3 .mp4) |