Pandemic disruptions to health care worsened cancer survival, study suggests
February 5, 2026
A new study reveals that cancer patients diagnosed during the early COVID-19 pandemic had worse short-term survival rates than a similar group before the pandemic. Published by the medical journal JAMA Oncology, the study shows that people diagnosed in 2020 and 2021 had lower survival rates than those diagnosed between 2015 and 2019. Researchers found this trend across various cancers, regardless of the stage at diagnosis. The study suggests that disruptions to the health care system likely contributed to these outcomes. COVID-19 forced many to postpone cancer screenings, impacting early detection and treatment. One expert says the study highlights the importance of understanding COVID-19’s impact to prepare for future pandemics.