Access to COVID-19 Vaccines in High-, Middle-, and Low-Income Countries Hosting Clinical Trials

JAMA Netw Open. 2021 Nov 1;4(11):e2134233. doi: 10.1001/jamanetworkopen.2021.34233.

Abstract

This cross-sectional study examines authorization and delivery of COVID-19 vaccines recommended by the World Health Organization in the countries where they were tested.

Publication types

  • Letter

MeSH terms

  • COVID-19 / prevention & control*
  • COVID-19 Vaccines / supply & distribution*
  • Clinical Trials as Topic
  • Cross-Sectional Studies
  • Developed Countries
  • Developing Countries
  • Health Services Accessibility / statistics & numerical data*
  • Humans
  • Income
  • Poverty

Substances

  • COVID-19 Vaccines