Nameless gamer spread disease (6,7)

I believe the answer is:

german measles

'disease' is the definition.
(German measles is an example)

'nameless gamer spread' is the wordplay.
'spread' is an anagram indicator.
'nameless'+'gamer'='namelessgamer'
'namelessgamer' is an anagram of 'GERMAN MEASLES'.

(Other definitions for german measles that I've seen before include "complaint" , "Rubella" , "viral illness" .)

I've seen this clue in The Times.

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