The number of people who've contracted whooping cough in the South West over the past year has rocketed.
So far this year nearly 850 people here have contracted the illness compared with just 65 last year.
The Health Protection Agency is now urging parents to have their children vaccinated and offering pregnant women jabs to protect their unborn babies.
Here's our Health Correspondent Rebecca Broxton:
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Hotter again on Monday with temperatures up to 25 degrees. Cooler on the coast and on the Isles of Scilly.
A clear night, hotter again on Monday.
Highs this afternoon of around 23 or 24 degrees. Cooler on the coast.