Which one of the following is correct to use?

  • New diagnosed cases.

  • Newly diagnosed cases.

closed as general reference by James Waldby - jwpat7, Kris, kiamlaluno, Matt E. Эллен, user11550 May 2 '12 at 18:25

This question is too basic; it can be definitively and permanently answered by a single link to a standard internet reference source designed specifically to find that type of information. If this question can be reworded to fit the rules in the help center, please edit the question.

  • New diagnosed cases - "New" is an adjective, which qualifies the noun "cases". So this means that the cases themselves are new. They also happen to have been diagnosed.
  • Newly diagnosed cases - "Newly" is an adverb, which qualifies the verb "diagnosed". So this means that the cases themselves may or may not be new; but they have only just been diagnosed.

Depends on which meaning you want. New diagnosed cases suggests that they are diagnosed cases that you haven't yet seen. Newly diagnosed cases suggests that they are cases that have just been diagnosed, regardless of whether you have or haven't seen them.

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