Placebo-Controlled Trials of Covid-19 Vaccines - Why We Still Need Them

N Engl J Med. 2021 Jan 14;384(2):e2. doi: 10.1056/NEJMp2033538. Epub 2020 Dec 2.
No abstract available

MeSH terms

  • COVID-19 Vaccines*
  • Humans
  • Placebos*
  • Randomized Controlled Trials as Topic*

Substances

  • COVID-19 Vaccines
  • Placebos