; and (D) any other requirements established by the lead agency. (3) Priority In awarding subgrants under this section, the lead agency shall prioritize the following eligible early care and education programs: (A) Eligible early care and education programs with respect to which a significant percentage of the population served by the eligible early care and education program is impacted by a qualifying emergency. (B) Eligible early care and education programs serving a high percentage of children receiving child care assistance from State programs funded under the Child Care and Development Block Grant Act of 1990 ( 42 U.S.C. 9858 et seq.). (e) Uses of funds An eligible early care and education program receiving a subgrant under this section shall carry out one or more of the following activities with respect to such program, and a Head Start agency receiving a grant under this section shall carry out one or more of the following activities with respect to Head Start programs: (1) Coordinating preparedness and response efforts of eligible early care and education programs or Head Start programs with State, local, tribal, and territorial public health departments, and other relevant agencies, to improve coordinated responses to qualifying emergencies among such entities. (2) Activities to detect, prevent, or mitigate the spread of infectious disease or otherwise respond to a qualifying emergency based on best practices identified by or in coordination with a State, local, tribal, or territorial public health department. (3) Developing and implementing procedures and systems to improve the preparedness and response efforts of eligible early care and education programs or Head Start programs. (4) Providing mental health services and supports, including— (A) counseling for children and staff of the eligible early care and education program or Head Start program