Remote Lesotho's biker nurses
Mothers used to have to walk three hours to get their children vaccinated in rural Lesotho.
Now nurse Thabiso Phoka reaches them by motorbike but he still has to leave his bike at the top of the mountain and walk down the very steep hill into the village.
The Health Show is broadcast on Saturdays at 1010 and 2010 GMT and on Sundays at 0710 and 2310 GMT. The programme is supported by the Gates Foundation.