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Articles on Infection

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Vaccinated people are well protected from getting sick, but could they inadvertently transmit the coronavirus? Noam Galai/Getty Images Entertainment via Getty Images

Can people vaccinated against COVID-19 still spread the coronavirus?

The COVID-19 vaccines are a smash success. But that doesn’t mean they keep every vaccinated person completely free of the coronavirus.
The older you get, the more slowly you heal, and there are a number of reasons why. Westend61 via Getty Images

Why do older people heal more slowly?

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. Hafidz Alifuddin/Pexels.com

We should talk more about toilets

Communication between programmers and local communities can provide good opportunities in the toilet prototyping process from the beginning of the design process.
Antibiotics do not shorten or reduce the severity of colds or flu, but they could produce adverse effects that make you feel even worse. (Pexels/Andrea Piacquadio)

Antibiotics in cold and flu season: Potentially harmful and seldom helpful

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.
Private insurers saw telehealth claims increase over 4,000% from 2019 to 2020. Solskin/DigitalVision via Getty Images

Health insurers are starting to roll back coverage for telehealth – even though demand is way up due to COVID-19

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. KTSDESIGN/SCIENCE PHOTO LIBRARY/Getty Images

A second pathway into cells for SARS-CoV-2: New understanding of the neuropilin-1 protein could speed vaccine research

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.

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