People with a COVID-19 infection who have an ischemic stroke may be more likely to have bleeding in their brain and worse outcomes during stroke treatments to restore blood flow than people without COVID-19, according to a new study published in the November 9, 2022, online issue of Neurology, the medical journal of the American Academy of Neurology. An ischemic stroke is caused by a blockage of blood flow to the brain and is the most common type of stroke.