01:13 Switzerland WHO approves new cholera vaccine that could help fight surge in cases The simplified formula of Euvichol-S uses fewer ingredients, is cheaper, and can be made more quickly than the old version.
Zimbabwe Zimbabwe starts an emergency polio vaccination drive after detecting cases caused by a rare mutation Zimbabwe starts an emergency polio vaccination drive after detecting cases caused by a rare mutation
00:52 Malaria Malaria: Shipments to African countries herald final steps toward broader vaccination - WHO