PERSISTENCE OF AUSTRALIA ANTIGEN _! 1958 + 1959 + cS 1961 | 1962 | 1963 |! 1964 1 annette ore ac en ee PEeereore LA tetancn eneene an aeeaee 1965 ! a Ce neeenreehetrerrr ‘ atlas”, aes ae, eta tg tes RONGELAP ba @ NUMBER Mla phate tate Sy PRESENT l ae ABSENT Figure NOT TESTED 1 Studies on the persistence of Australia antigen in blood samples collected serially from apparently normal individuals on Rongelap. The subject numbers are shown on the left. The reactions of Sera collected in the years indicated at the top are given in the 5ody of the figure. (from Blumberg et a 1,6#? )