clinical trials
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U.S. Health Regulators Call for Pause of J&J Vaccine Over Possible Rare Blood Clotting Risk
Health regulators in the U.S. are calling for the Johnson & Johnson covid-19 vaccine to be temporarily suspended from use, following a small number of reports of a possible link between the vaccine and severe blood clotting. The potential added risk appears to be very rare, and no such connection has been documented for the…
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AstraZeneca Messes Up Again, Called Out for Using Old Data in U.S. Trial Results
Pharmaceutical company AstraZeneca isn’t running out of rakes to step on anytime soon. Less than a day after the company announced promising preliminary results from the U.S. trial of its covid-19 vaccine jointly developed with Oxford University, an independent panel of scientists monitoring the study issued a harsh rebuttal. The group accused AstraZeneca of using…
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Tick Bites, Bad Breath, and Broken Bones: People Are Blaming the Covid-19 Vaccine for Anything
Regulators in many countries are collecting reports of adverse events that occur after a person gets a covid-19 vaccine. This data collection is crucial to being able to identify side effects that may not have shown up during clinical trials. But in the UK at least, patients and doctors are reporting a wide range of…
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Covid-19 Survivors Might Only Need One mRNA Vaccine Dose
For people who have survived a past encounter with covid-19, only one dose of a mRNA vaccine may be needed for full protection, research released Wednesday suggests. The findings add weight to the proposed idea by some experts that survivors should only get one shot in order to help stretch out the vaccine supply.