Improve Sporadic meaning in Urdu

Is there any meaning of the word sporadic that needs an edit? Please click that meaning to rewrite it.

کبھی کبھارشاذموسمی بیماری جو افراد کو ہوبخلاف عالم گیر بیماریوں کےبکھرااکا دکا

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کبھی کبھارشاذموسمی بیماری جو افراد کو ہوبخلاف عالم گیر بیماریوں کےبکھرااکا دکا

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