; (4) epidemiological surveillance and transmission studies capabilities; and (5) health education programs to raise awareness and reduce stigma of neglected diseases of poverty among high-risk populations. (e) Period of Support; Additional Periods (1) In general A cooperative agreement or grant under this section may be provided for a period of not more than 5 years. (2) Extensions The period specified in paragraph (1) may be extended by the Secretary for additional periods of not more than 5 years if— (A) the operations of the center of excellence involved have been reviewed by an appropriate technical and scientific peer review group; and (B) such group has recommended to the Secretary that such period be extended. 399OO–6. Authorization of appropriations To carry out this part, there are authorized to be appropriated such sums as may be necessary for fiscal year 2024 and each fiscal year thereafter. .