These can include ear infections, vomiting and diarrhoea, pneumonia, meningitis and serious eye disorders.

BBC: Wales measles: 1,200 MMR jabs given at drop-in clinics

Officials have said it is "just a matter of time" before a child is left with serious and permanent complications, such as eye disorders, deafness or brain damage, or even dies.

BBC: Wales

It added that it was "just a matter of time" before a child was left with serious and permanent complications, such as eye disorders, deafness or brain damage, or even dies.

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In the next two years Novartis will unleash a flood of new drugs for an array of other deadly or debilitating illnesses asthma, diabetes, schizophrenia, organ failure, arthritis, skin disorders and eye disease.

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Rarer disorders of the eye, heart and nervous system can also develop.

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If humans have these neurons too, it may be that they are impaired in disorders such as autism and schizophrenia, which affect eye contact and social interactions.

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