Loss of taste or smell. COVID Vaccine Side Effects | Johns Hopkins Medicine However, experts say it can be prevented and treated. In other words, we still don't know what the exact connection is. These issues can occur as the result of your immune system's response to COVID-19 infection, presenting in the form of conditions such as headaches, strokes, dizziness, or delirium. information and will only use or disclose that information as set forth in our notice of Other signals have not been substantiated by evidence at all. Regularly updated for everything you need to know about the novel coronavirus (COVID-19). Mayo Clinic. Nurse researcher Kristen Choi, PhD, RN, experienced first-hand a "worst-case scenario" of potential side effects after receiving an experimental COVID-19 vaccine in a phase 3 trial. Experts Say Universal Masking for COVID-19 in Hospitals is Not Necessary, What to Know About the New COVID-19 Strain 'Arcturus', STI Increase: Syphilis Cases Spike 74% in Four Years, Marburg Virus: CDC Issues Warning Over Outbreaks, Poor Sleep Can Make Vaccines Less Effective, Particularly for Men, H3N2 Flu Strain: What to Know About the Deadly Outbreak in India, maintaining physical and cognitive functioning throughout hospitalization, assisting with the transition from hospital to home. Walls RM, et al., eds. Many COVID-19 patients have been reported to have neurological symptoms, such as headache, confusion, seizures, and even strokes, Dr. Halim Fadil, a neurologist and movement disorders specialist at Texas Health Arlington Memorial Hospital, told Healthline. For example, one patient -- a man in his 50s -- was admitted to a hospital after he was found confused, agitated and non coherent, all signs of a drastic change to his personality. Thrombosis with thrombocytopenia syndrome is a serious but rare clotting disorder. Epub 2021 Feb 12. COVID-19: Vaccine safety and side effects - Canada.ca Another possible culprit, according to Norris, is a severe overreaction of the immune system, called "cytokine storms", which could be causing blood clots to form in the brain. However, the injury is often underreported, and therefore, it is hard to determine just how common SIRVA with the COVID-19 vaccine is. Though data is sparse, one study from Wuhan, China found that over a third of patients with COVID-19 experienced some sort of neurological symptom -- and that rate increased among those with severe infections.