Top news
Malaria drug fails to prevent COVID-19 in a rigorous study
By Marilynn Marchione
Retracted studies may have damaged public trust in science, top researchers fear
By Melissa Davey
Major Hydroxychloroquine Trial Shows No Prevention Benefits
By Adam Rogers
Two coronavirus studies retracted after questions emerge about data
By Jamie Gumbrecht & Maggie Fox
All coverage
Researchers Retract Study Linking Malaria Pill to Heart Risk
By Michelle Cortez
Scientists Question Medical Data Used in Second Coronavirus Study (Published 2020)
By Roni Caryn Rabin
The Lancet retracts large study on hydroxychloroquine
By Erika Edwards
How did The Lancet's now-retracted study on hydroxychloroquine make it through peer review?
By James Maasdorp
'Truly sorry': Scientists pull panned Lancet study of Trump-touted drug
By Michael Erman & Kate Kelland
Top journals raise concerns about data in two studies related to Covid-19
By Andrew Joseph & Matthew Herper
Lancet, NEJM retract Covid-19 studies that sparked backlash
By Andrew Joseph
Two Huge Covid-19 Studies Are Retracted After Scientists Sound Alarms (Published 2020)
By Roni Caryn Rabin & Ellen Gabler
Unreliable data: how doubt snowballed over Covid-19 drug research that swept the world
By Melissa Davey
Surgisphere: governments and WHO changed Covid-19 policy based on suspect data from tiny US company
By Sarah Boseley, Stephanie Kirchgaessner & Melissa Davey
Covid-19: Lancet retracts paper that halted hydroxychloroquine trials
By Sarah Boseley & Melissa Davey