Data

Early US indicators show ongoing slight rise in COVID-19 activity CIDRAP

Though the nation's COVID-19 activity is still at very low levels, for the second week in a row early indicators such as emergency department (ED) visits and test-positivity rates show small rises, the Centers for Disease Control and Prevention (CDC) said in its latest data updates.

Also today, the CDC updated its Omicron variant projections, showing more rises in newer versions such as EG.5 and XBB.1.16.6. And in another US development, the Biden administration today announced its pick to lead the new White House pandemic preparedness and response office.

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Study shows bivalent COVID-19 booster outperforms monovalent version CIDRAP

A new Italian study finds that estimated relative vaccine effectiveness (rVE) was 49.3% for the bivalent (two-strain) booster and 26.9% for the monovalent (single-strain) booster, with protection lasting at least 4 months for the bivalent booster and waning fast for the monovalent version. The study appears in The Lancet Infectious Diseases.

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COVID-19 vaccine tied to reduced deaths in seniors with dementia CIDRAP

For the first time, researchers have calculated excess deaths among US dementia patients during the pandemic, and they found a reduction in excess mortality among long-term care residents after COVID-19 vaccines were made available. The study was published today in JAMA Neurology.

ALSO SEE: Alzheimer’s among seniors is most common in the eastern and southeastern US states