44Thus, a Union citizen who has pursued an activity in an employed or self-employed capacity in the host Member State retains his status of worker indefinitely (i) if he is temporarily unable to work as the result of an illness or accident, in accordance with Article 7(3)(a) of Directive 2004/38, (ii) if he worked in an employed or self-employed capacity in the host Member State for more than one year before becoming involuntarily unemployed, in accordance with Article 7(3)(b) of that directive (judgment of 20 December 2017, Gusa, C‑442/16, EU:C:2017:1004, paragraphs 29 to 46), or (iii) if he has embarked on vocational training, in accordance with Article 7(3)(d) of the directive.
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