
A health worker administers polio vaccine drops to a child during a door-to-door polio campaign in Karachi. Rizwan Tabassum / AFP
A health worker administers polio vaccine drops to a child during a door-to-door polio campaign in Karachi. Rizwan Tabassum / AFP
Bill Gates: The UAE is a powerful ally in the fight to eradicate diseases that afflict the world's poorest people
Great strides in immunisation have been made, but the battle to end suffering is not over yet