Máster en Alimentación, Ética y Derecho

Cátedra UNESCO de Bioética

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

The New England Journal of Medicine

Recent announcements that some Covid-19 vaccines are estimated to have high short-term efficacy provide new hope that vaccination will soon contribute to controlling the pandemic. The   initial   roll-out   of   limited   quantities of vaccines that are still investigational  will  provide  the  opportunity to ethically obtain piv-otal  data  to  improve  regulatory  and  public  health  decision  mak-ing, thereby increasing public and professional  confidence  in  these  and other vaccines.