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Researchers from the Centers for Disease Control and Prevention and Kaiser Permanente Southern California found that COVID-19 cases caused by the delta variant increased rapidly from April 15 to July 21, particularly among people ages 18 to 44. The study was published October 7, 2021, in the CDC’s Morbidity and Mortality Weekly Report, known as MMWR. ...

A study of Kaiser Permanente Southern California members diagnosed with COVID-19 found that patients who had recently lived in areas with higher levels of air pollution from non-freeway roadways had a higher risk of severe COVID-19 outcomes. “Our analysis suggests that traffic-related air pollution may be a contributor to the severity of COVID-19,” said the study’s ...

A recent study led by Kaiser Permanente found the Pfizer-BioNTech, BNT162b2, mRNA-based COVID-19 vaccine is highly effective against hospitalization for 6 months after full vaccination, even in the face of widespread transmission of the delta variant. The study was published in The Lancet. (An earlier draft of the study was previously posted on The Lancet ...

Sarah Carter, DPhil, MA, is a postdoctoral research fellow at Kaiser Permanente Southern California’s Department of Research & Evaluation. She completed her doctoral work at the University of Southampton in England, where she studied childbirth intervention in the United Kingdom’s National Health Service (NHS). She is currently studying pre- and perinatal maternal health, environmental exposures, ...

Kaiser Permanente Southern California patients who were Latinx or low-income had the largest percentage increase in use of telehealth during the COVID-19 pandemic, according to Kaiser Permanente research recently published in Journal of Medical Internet Research.  Increases in telehealth visits during the COVID-19 pandemic varied across age, sex, race/ethnicity, and household income groups, while decreases in ...

Over the last decade, rates of a chronic lung condition known as bronchopulmonary dysplasia have dropped from 20% to less than 2% among very preterm babies at Kaiser Permanente Panorama City. As reported in JAMA Network Open, this decrease is associated with a novel system of care designed by Kaiser Permanente Southern California researchers. Meanwhile, the ...

A Kaiser Permanente study of nearly 200,000 children showed that children gained excess weight during the COVID-19 pandemic, especially those between 5 and 11 years old. The study was published in the Journal of the American Medical Association. “When we compared the weight gain among children from 2019 to 2020, we found that there was more ...

Darryl Palmer-Toy, MD, PhD, is the physician director of the Regional Reference Core Laboratories for Kaiser Permanente Southern California. He has been in this position for 5 years. In this role, Dr. Palmer-Toy oversees the ancillary, clinical chemistry, and immunochemistry departments, which perform about 20 million tests per year. A student of proteomics (the study ...