COVID-19 vaccination produces a more consistent immune response than a past infection. With the delta variant, the difference in protection may be even greater.
When children return to schools in the fall, measures to protect them from COVID-19 must be taken/
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Annie Curtis, RCSI University of Medicine and Health Sciences
Our immune system is controlled by our “body clock” – an intricate 24-hour system which controls how cells function.
Vaccinated people are well protected from getting sick, but could they inadvertently transmit the coronavirus?
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If you’ve already had the coronavirus and recovered, you might be tempted to give the vaccine a pass. A scientist explains why the shot offers the best protection against future infection.
Michael Plank, University of Canterbury e Shaun Hendy, University of Auckland, Waipapa Taumata Rau
A new study argues for selective border relaxations. But with COVID-19 more prevalent now than at almost any point in the past, the risk would be substantial.
The older you get, the more slowly you heal, and there are a number of reasons why.
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Healing is a complicated process. As people age, higher rates of disease and the fact that old cells lose the ability to divide slow this process down.
We need a toilet design solution that suits local people’s needs.
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Communication between programmers and local communities can provide good opportunities in the toilet prototyping process from the beginning of the design process.
Access to testing had been improving across the U.S., but as cases increase, more testing is needed.
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Zoë McLaren, University of Maryland, Baltimore County
COVID-19 cases are skyrocketing across the US. Testing has ramped up over the past few months, but increasing hospitalizations, deaths and test-positivity rates show that the virus is out of control.
Antibiotics do not shorten or reduce the severity of colds or flu, but they could produce adverse effects that make you feel even worse.
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Resistant bacteria aren’t the only risk posed by overprescribing antibiotics. A more immediate risk is side-effects and reactions, which a new review shows are surprisingly frequent and often severe.
Tsimane children look out over the Maniqui River, in the Bolivian Amazon.
Michael Gurven
Michael Gurven, University of California, Santa Barbara e Thomas Kraft, University of California, Santa Barbara
‘Normal’ body temperature has declined in urban, industrialized settings like the US and UK. Anthropologists find the trend extends to Indigenous people in the Bolivian Amazon – but why?
Private insurers saw telehealth claims increase over 4,000% from 2019 to 2020.
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Widely adopted in the US when pandemic precautions kept people home, telehealth faces a challenge as insurance coverage changes, right when its popularity had surged.
The Spike protein on the surface of SARS-CoV-2 must bind to proteins on the surface of human cells to trigger an infection.
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Scientists in the UK and Germany discovered a new doorway that the COVID-19 virus uses to infect human cells. This reveals new therapeutic possibilities for blocking the virus.
For anyone thinking about traveling during the pandemic, COVID-19 testing can be an important, but not all-powerful, tool.
AP Photo/Charlie Riedel
Over the approaching holidays, people around the world will want to travel to see friends and family. Getting tested for the coronavirus can make this safer, but testing alone is not a perfect answer.
In the time of coronavirus, people with dementia and their caregivers need more support than ever.
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Patients suffering from severe COVID-19 may be experiencing a rogue antibody response similar to that seen in autoimmune diseases. The findings offer new approaches for COVID-19 therapy.
The 17th-century plague in Rome.
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The pandemic has exposed many of us to new statistical concepts, on the news, in everyday conversations and on social media. But how many are you getting wrong?