One councillor in Port Tennant near Swansea, Clive Lloyd, told ITV News the local community would rally round following the death of a 25-year-old man.
An investigation is underway to find out if measles was responsible.
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Showers will ease and it'll be a dry night for most with clear skies and chilly feeling temperatures.
Hollie Kerrell, 28, was last seen in Knighton on Sunday 22 April. A 35-year-old man has been arrested on suspicion of murder.