Diseases, Conditions, Syndromes

Time to wear a better mask, experts say

As new, more transmissible variants of the coronavirus spread, experts say it's time to consider using a medical-grade respirator, or wearing a surgical and cloth mask together.

Diseases, Conditions, Syndromes

Finding effective face mask fabric

The air that pours into your lungs when you breathe travels, on average, at about 10 centimeters a second. But it's often not just air you're breathing. There can be dust, pollen, soot and bacteria in air, and now, floating ...

Diseases, Conditions, Syndromes

COVID-19 mask study finds layering, material choice matter

Wearing a face mask can protect yourself and others from COVID-19, but the type of material and how many fabric layers used can significantly affect exposure risk, finds a study from the Georgia Institute of Technology.

Oncology & Cancer

How immune cells in the tumor microenvironment make things worse

Cells from the immune system called CD4+ regulatory T cells, or simply Treg, are linked to tumor prognosis: the more Treg cells present in a tumor, the worst the prognosis. We know from previous research studies that Treg ...

Diseases, Conditions, Syndromes

Three-layered masks most effective against large respiratory droplets

If you are going to buy a face mask to protect yourself and others from COVID-19, make sure it's a three-layered mask. You might have already heard this recommendation, but researchers have now found an additional reason ...

Diseases, Conditions, Syndromes

Study finds breathing and talking contribute to COVID-19 spread

Current knowledge about the role of aerosols in the transmission of SARS-CoV-2 warrants urgent attention. Current guidance and public health information has slowly shifted focus towards aerosols as a transmission pathway—predominantly ...

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