Product-specific COVID-19 vaccine effectiveness against secondary infection in close contacts, Navarre, Spain, April to August 2021
Martínez-Baz, Iván and Trobajo-Sanmartín, Camino and Miqueleiz, Ana and Guevara, Marcela and Fernández-Huerta, Miguel and Burgui, Cristina and Casado, Itziar and Portillo, María Eugenia and Navascués, Ana and Ezpeleta, Carmen and Castilla, Jesús and the Working Group for the Study of COVID-19 in Navarre, Eurosurveillance, 26, 2100894 (2021), https://doi.org/10.2807/1560-7917.ES.2021.26.39.2100894