Database required The Secretary of Defense shall establish a database that is available to the public of complaints relating to housing units under this subchapter. (b) Filing of complaints The Secretary shall ensure that a tenant of a housing unit under this subchapter may file a complaint relating to such housing unit for inclusion in the database under subsection (a). (c) Response by landlord (1) The Secretary shall include in any contract with a landlord responsible for a housing unit under this subchapter a requirement that the landlord respond to any complaints included in the database under subsection (a) that relate to the housing unit. (2) Any response under paragraph (1) shall be included in the database under subsection (a). 2890. Screening and registry of individuals with health conditions resulting from unsafe housing units (a) Screening (1) The Secretary of Defense, in consultation with appropriate scientific agencies as determined by the Secretary, shall ensure that all military medical treatment facilities screen eligible individuals for covered conditions. (2) The Secretary may establish procedures through which screening under paragraph (1) may allow an eligible individual to be included in the registry under subsection (b). (b) Registry (1) The Secretary of Defense shall establish and maintain a registry of eligible individuals who have a covered condition. (2) The Secretary shall include any information in the registry under paragraph (1) that the Secretary determines necessary to ascertain and monitor the health of eligible individuals and the connection between the health of such individuals and an unsafe housing unit under this subchapter. (3) The Secretary shall develop a public information campaign to inform eligible individuals about the registry under paragraph (1), including how to register and the benefits of registering. (c) Definitions In this section: (1) The term covered condition means a medical condition that is determined by the Secretary of Defense to have resulted from