CDC pauses release of COVID vaccine effectiveness study
A health report on COVID-19 vaccines has been delayed after concerns about how the study was conducted.
Apr 10, 2026
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Research Activity: Observational Study
Medical news and research articles
Large-scale study challenges link between acetaminophen use during pregnancy and autism risk in children
A team of Taiwanese researchers have used a nationwide, population-based cohort to examine whether taking acetaminophen during pregnancy might be linked to a higher likelihood of attention-deficit/hyperactivity disorder ...
1 in 5 people say losing their pet was worse than losing a person
For one in five people, losing a pet has been more distressing than losing a human loved one. New research has revealed that 21% of those who experienced both types of bereavement found their pet's death harder to bear.
Jan 16, 2026
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Paxlovid's promise fades: Vaccinated seniors see minimal COVID-19 protection
Paxlovid does not significantly reduce COVID-19 hospitalization and mortality among vaccinated older adults, according to new UCLA-led research.
Feb 20, 2025
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Emulation of randomized clinical trials with nonrandomized database analyses
The complete findings of the RCT-DUPLICATE demonstration project are published today in JAMA.
Apr 26, 2023
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Preprint, peer-reviewed pairs of studies generally concordant
Characteristics, results, and final interpretations are generally consistent for clinical studies posted as preprints on medRxiv and subsequently published in peer-reviewed journals, according to a study published online ...
Dec 12, 2022
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Greater uptake of breast cancer screening if appointments are pre-booked
The study, published today in the Journal of Medical Screening, found that issuing pre-booked appointments, rather than invitations to book an appointment, could lead to substantially greater uptake of breast cancer screening. ...
Oct 12, 2022
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