Five questions for Dr. Mingsum Lee
Mingsum Lee, MD, PhD, has been named as the 2025 Southern California Permanente Medical Group Physician Researcher of the Year. Commenting about her selection for the award, one nominator said Dr. Lee “is a true quadruple threat as an exceptional clinician, educator, administrator, and prolific ...
Featured News
Los Angeles wildfires increased virtual medical visits
In January 2025, when wildfires swept from the foothills above Los Angeles into the densely populated urban areas below, evacuations ensued and a thick layer of smoke spread across the region. Air quality ...
Predicting heart issues among breast cancer survivors
Researchers have developed a new risk calculation model to help predict the risks of heart problems for breast cancer survivors. Their research was published in JAMA Oncology in October 2025. “There ...
Diabetes medications vary in ability to reduce heart attacks and strokes
A new study led by Kaiser Permanente researchers compared how well 4 different types of glucose-lowering medications reduced the risk of heart attack and stroke for patients with type 2 diabetes, providing ...
COVID-19 boosters shown to be effective for adolescents
August 3, 2022Adolescents 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 ...Read more...5 questions for … Dr. Jennifer Ku
July 28, 2022An 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 ...Read more...Public policy can improve pandemic masking adherence
July 25, 2022A 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 ...Read more...5 questions for … Dr. Rulin Hechter
June 30, 2022Rulin 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 ...Read more...Down syndrome linked to higher risk of severe COVID-19
June 28, 2022Before 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 ...Read more...Dr. Anny Xiang honored with prestigious American Diabetes Association award
June 27, 2022Anny 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 ...Read more...COVID-related hospitalizations are rare after Paxlovid treatment
June 21, 2022In December 2021, the Pfizer-BioNTech medication Paxlovid received emergency authorization as a treatment to prevent severe health problems from COVID-19 that could lead to hospitalization and death. But recently, small studies with less than a dozen people began to show up in the media linking the medication to a rebound in COVID-19 symptoms following recovery. On ...Read more...Omicron variant infections less severe than delta
June 13, 2022A study of patients at Kaiser Permanente in Southern California showed that when both the delta and omicron variants were circulating in December 2021, patients who had SARS-CoV-2 infections with the omicron variant had substantially less risk of severe illness and shorter hospital stays than those infected with the delta variant. The study was published ...Read more...New approach reduces colon cancer deaths
June 13, 2022A study published June 6, 2022, in The Joint Commission Journal on Quality and Patient Safety showed that a comprehensive approach to improving colon cancer care at Kaiser Permanente in Southern California resulted in a 24% decrease in mortality over 7 years. “If a new drug or surgical procedure reduced deaths this dramatically, it would be ...Read more...Clinical research center opens at Los Angeles Medical Center
May 31, 2022A new dedicated clinical research space at the Kaiser Permanente Los Angeles Medical Center provides researchers and staff with expanded opportunities to bring groundbreaking clinical research to Kaiser Permanente Southern California members. Located on the first floor of 1505 N. Edgemont on the medical center campus, the 1,400-square-foot Kaiser Permanente Clinical Research Center at Los Angeles ...Read more...