140 million COVID infections in the United States; CDC facilitates contact tracing; Fitbit smartwatch reminder

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More than 140 million Americans, or about 43% of the country, have had COVID-19, according to the CDC’s updated antibody seroprevalence estimates.

Several rapid home antigen tests were effective in detecting Omicron and Delta SARS-CoV-2 variants, preprint data showed. (medRxiv)

The FDA has warned against using three other coronavirus tests: the Standard Q COVID-19 Ag home test, the Acon Flowflex SARS-CoV-2 antigen rapid test, and certain Celltrion DiaTrust COVID-19 Ag rapid tests.

Ukraine lacks essential medical supplies and has had to halt urgent efforts to stem the recent outbreak of polio in the country. (Reuters)

Two doses of the Pfizer vaccine protected children 5 to 17 years of age from emergency and urgent care visits when the Omicron was predominant, but the vaccine’s effectiveness was lower and declined with time since vaccination. (Morbidity and Mortality Weekly Report)

As of 8 a.m. EST on Wednesday, the unofficial COVID toll reached 79,092,025 cases and 952,509 deaths, up 46,306 cases and 1,988 deaths from this time a day ago.

The CDC no longer recommends universal case investigation and contact tracing for COVID-19 — such programs have already been halted in about half of the states. (New York Times)

About one in six people who have undergone hernia repair have undergone reoperation for recurrence within 10 years of surgery. (JAMA)

The NIH has commissioned an advisory group to undertake a comprehensive review of government policies regarding research on enhanced potential pandemic pathogens, including gain-of-function studies and dual-use research of concern.

Fitness tracker maker Fitbit has recalled more than one million of its Ionic smartwatches following reports of burns from overheating batteries, the Consumer Product Safety Commission said.

Most Americans said the coronavirus was not yet under control and supported restrictions to try to manage it, a Washington Post – ABC News survey showed. (Washington Post)

In a blow to Nobel laureates Jennifer Doudna, PhD, and Emmanuelle Charpentier, PhD — who discovered the CRISPR-Cas9 gene-editing technique — the U.S. Patent and Trademark Office said CRISPR patents involving eukaryotic cells belong to the Broad Institute of Harvard and MIT. (Reuters)

Nine days after announcing she had COVID, Queen Elizabeth II has appeared well enough to host virtual audiences with foreign ambassadors. (NBC News)

Simulations showed that cloth masks were inferior for protection against airborne viral spread compared to non-woven filters like those found in surgical masks and respirators. (Fluid Physics)

Epigenetic biomarkers can help predict premature birth. (Scientific reports)

Pfizer’s Clostridioides difficile (C difference.) the candidate vaccine did not meet its primary prevention endpoint C difference. infection in a phase III trial, but showed promise in reducing the duration and severity of illness, the company said.

Lenacapavir, an investigational long-acting HIV-1 capsid inhibitor, was rejected by the FDA due to issues with the proposed container vial, Gilead Sciences said.

What kind of surprises can you expect with the No Surprise Act? (KHN)

  • Judy George covers neurology and neuroscience news for MedPage Today, writing about brain aging, Alzheimer’s disease, dementia, MS, rare diseases, epilepsy, autism, headaches , stroke, Parkinson’s disease, ALS, concussion, CTE, sleep, pain, etc. Follow

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