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1. COVID research: a year of scientific milestones


A single dose of the COVID-19 vaccine made by either Pfizer or AstraZeneca cuts a person’s risk of transmitting SARS-CoV-2 to their closest contacts by as much as half, according to an analysis of more than 365,000 households in the United Kingdom.

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2. Could fermented foods improve microbiome diversity?


In a new proof-of-concept study, eating fermented foods increased the diversity of participants’ gut microbiomes and reduced markers of inflammation.

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3. Scientists uncover how a molecule improves appearance of surgery scars


In a new study, Fralin Biomedical Research Institute at VTC scientists discovered that the alphaCT1 molecule may help repair the skin's collagen matrix by altering how scar-forming cells behave. The findings were published in the Federation of American Societies for Experimental Biology Journal.

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4. Gut microbiota dysbiosis, a potential risk factor for long COVID


A study in Norway has recently highlighted a significant association between gut microbiota alteration and persistent respiratory dysfunction in coronavirus disease 2019 (COVID-19) patients.

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5. Why the CDC says it’s crucial to start wearing masks indoors again


New evidence that vaccinated people with breakthrough infections of the delta variant produce just as much virus as infected, unvaccinated people prompted the new guidance. That suggests that these people may also easily spread the virus.

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