Lima
Peru
Instituto de Investigación Nutricional
CVnCoV mRNA vaccine; SARS-CoV-2; COVID-19; adults; randomised clinical trial
COVID-19, vaccine, mRNA, clinical trial
SARS-CoV-2, COVID-19, incidence, cohort, Peru
SARS-CoV-2, Nasal swab, saliva sample, sample pools, cost, validation