This report, co-published by the World Health Organization (WHO) and the United Nations Children's Fund (UNICEF), outlines the target product profile for a measles and rubella microarray patch (MR-MAP) vaccine. The document is intended to guide vaccine developers, procurement agencies, and funders in the development of MR-MAPs, particularly for low- and middle-income countries. It includes detailed product specifications, safety considerations, and usage scenarios, emphasizing the importance of addressing public health needs efficiently. The report is informed by input from experts in epidemiology, immunology, and other relevant fields and is subject to updates as the technology and needs evolve. Key audiences include vaccine developers and entities involved in national immunization programs.