Interim recommendations for heterologous COVID-19 vaccine schedules: interim guidance, 16 December 2021

Citation
World Health Organization. (2021). Interim recommendations for heterologous COVID-19 vaccine schedules: interim guidance, 16 December 2021. World Health Organization. https://apps.who.int/iris/handle/10665/350635. License: CC BY-NC-SA 3.0 IGO
Description
18 p.The Portuguese version is published by PAHO: https://iris.paho.org/handle/10665.2/56213
Document number
WHO/2019-nCoV/vaccines/SAGE_recommendation/heterologous_schedules/2021.1Language
Englishportuguês