Vaccine effectiveness higher for Moderna than Pfizer-BioNTech vaccine; both mRNA vaccines have higher VE than Janssen

New research indicates two doses of the vaccine boosts immunity from 74 to 94 percent

Individuals are most infectious in the two days before and three days after symptom onset

Stockholm3 of 0.11 or higher combined with MRI-targeted and systematic biopsies could detect significant cancers, reduce overdetection

Authors say that approximately one-tenth of patients with COVID-19 in U.K. hospitals were infected after admission

Incidence among children, adolescents increased 0.5 to 0.7 percent; malignant tumor incidence highest for males, non-Hispanic Whites

Sales have skyrocketed due to the surge in cases driven by the highly transmissible delta variant

Vaccine hesitancy highest among Black and Hispanic or Latino health care workers; concerns include side effects, newness of vaccine