A medical malpractice claim does not accrue under the FTCA until the plaintiff discovers, or reasonably should have discovered, his injury and its causes. United States v. Kubrick, 444 U.S. 111, 120 n. 7, 100 S.Ct. 352, 358 n. 7, 62 L.Ed.2d 259 (1979) (citation of cases); Waits v. United States, 611 F.2d 550, 552 (5th Cir.1980); Kossick v. United States, 330 F.2d 933 (2d Cir.), cert. denied, 379 U.S. 837, 85 S.Ct. 73, 13 L.Ed.2d 44 (1964); Quinton v. United States, 304 F.2d 234 (5th Cir.1962). The Circuits are, however, split on whether the medical malpractice discovery rule should be extended to wrongful death claims under the FTCA. Compare Garrett v. United States, 640 F.2d 24, 26 (6th Cir.1981), and Young v. United States, 184 F.2d 587, 588 (D.C.Cir.1950), and Gallick v. United States, 542 F.Supp. 188, 191 (M.D.Pa.1982) (swine flu wrongful death claim accrues at death), and Wolfenbarger v. United States, 470 F.Supp. 943 (E.D.Tenn.1979), and Pringle v. United States, 419 F.Supp. 289, 291 (D.S.C.1976), with Barrett v. United States, 689 F.2d 324, 327 (2d Cir.1982) (medical malpractice discovery rule appropriate in wrongful death case where plaintiff faces comparable problems in discerning fact ...