Claudia Hammond finds out if seasonal winds, such as the Foehn, found in the Alps, and the Santa Ana which blows along the Californian coast, can make you ill. And the state of the world's vaccines. Show more
Discover 11,128,835 listings and 279,849 playable programmes from the BBC
Claudia Hammond finds out if seasonal winds, such as the Foehn, found in the Alps, and the Santa Ana which blows along the Californian coast, can make you ill. And the state of the world's vaccines. Show more