Study of airplane wastewater shows COVID-19 travel restrictions failed Tests of toilet tank water from flights entering the United Kingdom helped Welsh scientists determine that steps meant to keep the COVID-19 virus from traveling among countries appear to have failed. UPI

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Covid-19 antibody levels jump among elderly after autumn booster The 35-49 age group now has the lowest estimated level of antibodies. Ian Jones, PA AOL

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Some 96.3% of people aged 80 and over in England were likely to have antibodies at the start of December 2022, up from 89.2% in early September.

For 75 to 79-year-olds, the proportion stands at 95.8%, up from 87.4%.   ...

The figures are “likely a result of the vaccination booster campaign”, according to the Office for National Statistics (ONS), which has published the data.

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Study spotlights disparities in COVID-19 clinical trials | CIDRAP

A study yesterday in JAMA Internal Medicine shows women and racial minorities were underrepresented in both COVID-19 clinical treatment trials and in disease prevention trials.

The research was conducted by a team from the Fred Hutchinson Cancer Center, as well researchers from Beijing and London.

Exercise may increase the effectiveness of your Covid-19 vaccine, a new study found: Here’s how to get the most benefit

Having the most protection from severe outcomes following Covid-19 infection is largely attributed to vaccination. But, the shot’s effectiveness may be enhanced by physical activity, a new study found.

Elevated levels of physical activity appeared to be associated with higher effectiveness from the primary series of the Covid-19 vaccination, according to new research published in the British Journal of Sports Medicine. 

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