; and (B) by inserting or improving existing control programs before the period at the end; (2) in subsection (b)— (A) in paragraph (1), by inserting , including improvement, after operation ; (B) in paragraph (2)— (i) in subparagraph (A)— (I) in clause (ii), by striking or at the end; (II) in clause (iii), by striking the semicolon at the end and inserting , including an emerging infectious mosquito-borne disease that presents a serious public health threat; or ; and (III) by adding at the end the following: (iv) a public health emergency due to the incidence or prevalence of a mosquito-borne disease that presents a serious public health threat; ; and (ii) by amending subparagraph (D) to read as follows: (D) (i) is located in a State that has received a grant under subsection (a); or (ii) demonstrates to the Secretary that the control program for which a grant is sought is consistent with existing State mosquito control plans or policies, and other applicable State preparedness plans. ; (C) in paragraph (4)(C), by striking that extraordinary and all that follows through the period at the end and inserting the following: that— (i) extraordinary economic conditions in the political subdivision or consortium of political subdivisions involved justify the waiver; or (ii) the geographical area covered by a political subdivision or consortium for a grant under paragraph (1) has an extreme mosquito control need due to— (I) the size or density of the potentially impacted human population; (II) the size or density of a mosquito population that requires heightened control; or (III) the severity of the mosquito-borne disease, such that expected serious adverse health outcomes for the human population justify the waiver. ; and (D) by amending paragraph (6) to read as follows: (6) Number of grants A political subdivision or a consortium of political subdivisions may not receive more than one grant under paragraph (1).