Population-based age-stratified seroepidemiological investigation protocol for COVID-19 virus infection, 17 March 2020
Citation
World Health Organization. (2020). Population-based age-stratified seroepidemiological investigation protocol for COVID-19 virus infection, 17 March 2020. World Health Organization. https://iris.who.int/handle/10665/331656. License: CC BY-NC-SA 3.0 IGO
Description
16 p.Portuguese version published by PAHO: https://iris.paho.org/handle/10665.2/51990