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Canada’s procurement minister says she is negotiating contracts to secure supplies of COVID-19 booster shots in case they’re needed next...

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The BMJ

Improving indoor ventilation and air quality will help us all to stay safe Over a year into the covid-19 pandemic, we are still debating...

About 5,800 Americans who have been vaccinated against coronavirus have become infected anyway, the U.S. Centers for Disease Control and Prevention tells...

Hydroxychloroquine and chloroquine have been investigated as a potential treatment for Covid-19 in several clinical trials. Here the authors report a meta-analysis of published...

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Science

Scientists’ lanes and headwinds - 2 days

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COVID-19 will be remembered for many things, including the pandemic that changed science communication. Much of the effect was positive. Outstanding epidemiologists, virologists, and...

Funding from American Rescue Plan will help CDC and Governors monitor, track, and defeat emerging variants that are currently threatening pockets of...

The 2 shot mRNA vaccine has a high efficacy against COVID-19, but long term data for its protection is not there yet, and emerging...

The benefits of being vaccinated sooner outweigh every other metric at this stage of the...

  • People are worried about risk. There are risks to waiting, of getting covid-19, of full hospitals, ICU stays, long covid, death, and infecting others. All of these are significantly reduced by taking one shot. Take the shot thats offered. Please. https://t.co/olg0w6VvUv - view on twitter

This report describes changes in the number of...

COVID-19 leads to a several-times higher risk of cerebral venous thrombosis (CVT) blood clots than current COVID-19...