Covid-19 Vaccine Effectiveness and the Test-Negative Design
Natalie E. Dean, Joseph W. Hogan, Mireille E. Schnitzer
Abstract
Observational studies are emerging as fundamental sources of information about vaccine effectiveness outside the controlled environment of randomized trials, and they are being used to generate evi...
Topics & Concepts
Observational studyCoronavirus disease 2019 (COVID-19)Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2)Randomized controlled trial2019-20 coronavirus outbreakTest (biology)MedicineVirologyInternal medicineBiologyOutbreakInfectious disease (medical specialty)PaleontologyDiseaseSARS-CoV-2 and COVID-19 ResearchVaccine Coverage and HesitancyCOVID-19 Clinical Research Studies