The combined vaccine elicited higher immune response against SARS-CoV-2.
Plaque growth can lead to a higher risk of heart attack, stroke, and other life-threatening cardiovascular events for as long as 1 year.
Post-exertional malaise, or exercise intolerance, was seen in 36% of those with long COVID.
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The authors say their findings confirm seroprevalence studies in hard-hit areas.
A new study in Transboundary and Emerging Disease calculated the case-fatality rate (CFR) of COVID-19 infections in 53 countries or regions that experienced a second wave—or resurgence—of coronavirus activity, and found a significantly lower death rate among all confirmed cases than in the first wave.
This is the first study to compare the CFR in the first and second waves of the pandemic.
There is no reason to withhold well-indicated use of the drugs during the pandemic, the authors say.
Also, a new analysis shows COVID-19 rates are highest in US agricultural counties.
Study finds no difference in rates of hospitalization, ICU admission, or mechanical ventilation.
India now has the world's second-highest case count, behind the US.
A new study published in the Journal of the American Society of Nephrology shows that 46% of hospitalized adults with severe COVID-19 suffer from acute kidney injury (AKI), and AKI was associated with a 50% mortality rate.
Two thirds of Americans say they will not get a vaccine as soon as it's available.
Three studies show that parent and child well-being has taken a serious hit during the pandemic.
The WHO says 78 countries have confirmed their participation in the COVAX vaccine initiative.