diagnosis or in the 45-day period before such diagnosis. (2) In the case that the frontline healthcare worker is deceased, a survivor of a frontline healthcare worker described in paragraph (1) in the following order of precedence: (A) The surviving spouse of the frontline healthcare worker described in paragraph (1) if the spouse was married to the claimant for at least 1 year before the frontline healthcare worker’s death. (B) If there is no person meeting the requirements of subparagraph (A), the children of the frontline healthcare worker described in paragraph (1), in equal shares. (C) If there is no person meeting the requirements of subparagraph (A) or (B), the parents of the frontline healthcare worker described in paragraph (1), in equal shares. (D) If there is no person meeting the requirements of subparagraph (A), (B), or (C), the grandchildren of the frontline healthcare worker described in paragraph (1), in equal shares. (E) If there is no person meeting the requirements of subparagraph (A), (B), (C), or (D), the grandparents of the frontline healthcare worker described in paragraph (1), in equal shares. (F) If there is no person meeting the requirements of subparagraph (A), (B), (C), (D), or (E), the person designated on a life insurance policy of the frontline healthcare worker described in paragraph (1). (c) Necessary documentation A claim filed under this section shall include— (1) evidence of employment as a frontline healthcare worker during the time that COVID-19 was diagnosed or during the 45-day period before such diagnosis