Romero, Pedro E., Milagros Sánchez-Yupari, Stephanie Montero, and Pablo Tsukayama. 2021. “Use of SARS-CoV-2 Genomes to Estimate the Effective Reproductive Number (Rt) in Peru During March – April 2020”. Revista Peruana De Medicina Experimental Y Salud Pública 38 (2): 267-71. https://doi.org/10.17843/rpmesp.2021.382.6417.