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A study led by Kaiser Permanente in Southern California of patients from 8 health care organizations across the United States showed that COVID-19 was associated with a 4% increase in use of health care services over the 6 months after initial infection. The study was published August 12, 2022, in JAMA Network Open. Some people who were ...

The rate of emergency department visits associated with child abuse or neglect at Kaiser Permanente Southern California hospitals doubled immediately after the March 2020 stay-at-home order. This increase in the rate of child maltreatment visits was highest among younger children, girls, and children who were Black or Hispanic. Over the following year and a half, ...

Adolescents who received 3 doses of the Pfizer–BioNTech COVID vaccine were better protected against infection with SARS-CoV-2 — the virus that causes COVID-19 — than adolescents who received only 2 doses, according to a study of more than 3,000 Kaiser Permanente Southern California members ages 12 to 17 and published on August 3, 2022, in ...

An infectious disease epidemiologist, Jennifer Ku, PhD, MPH, is in the first year of her postdoctoral program at the Department of Research & Evaluation. Her research includes vaccine safety and effectiveness projects on shingles and COVID-19 vaccines. Dr. Ku is also involved in other infectious diseases studies on influenza, SARS-CoV-2, and other respiratory viruses. Please tell ...

A year-long study of mask adherence and social distancing among more than 100,000 people in 126 U.S. cities found people were 3 times more likely to wear masks correctly in places where a mask mandate was in place. The study was published recently in the American Journal of Infection Control. “City, county, and state leaders can ...

Rulin Hechter, MD, PhD, is an infectious disease epidemiologist in the Department of Research & Evaluation who focuses on the prevention and treatment of HIV and other sexually transmitted infections. She received her medical training from Suzhou Medical College and her master’s degree in epidemiology and biostatistics from Fudan University, both in China. She received ...

Before COVID-19 vaccines became available, people with Down syndrome were less likely to be diagnosed with COVID-19 than people without the condition, according to a study of more than 12,000 Kaiser Permanente Southern California members published on June 24, 2022, in The Journal of Infectious Diseases. However, the study found that people with Down syndrome faced ...

Anny Xiang, PhD, MS, scientific director of the Division of Biostatics Research at the Department of Research & Evaluation, received the American Diabetes Association’s 2022 Norbert Freinkel Award on June 4, 2022. The lecture award is the ADA’s highest award for outstanding contributions in the field of diabetes and pregnancy. “Dr. Xiang’s body of work has ...