Case Presentation: A previously healthy 57-year-old man with a history of chronic sinusitis who received the Ad26.COV2.S vaccination 13 days ago without incident presented to the ED with left lower extremity swelling and pain, left medial thigh ecchymosis, transient episodes of right hand paresthesia and weakness, severe headache with transient blurry vision, and progressively worsening [...]

Background: COVID-19 vaccines have greatly decreased both rate of morbidity and mortality of the COVID-19 infection, but studies have reported myocarditis in patients after vaccination especially with mRNA vaccines. The purpose of this study is to identify if there is a significant correlation between COVID-19 vaccines and myocarditis. Methods: We systematically searched PubMed, Web of [...]

Background: Diabetic Ketoacidosis (DKA) is the most common severe acute complication of diabetes, and has shown to be worsened by COVID-191. Several studies have found an association between COVID-19 and worsened outcomes from diabetic ketoacidosis (DKA).2 Vaccination against COVID-19 has led to substantial declines in the frequency, severity, and mortality from acute infection, but little [...]

Background: Each year, 14 million Americans are diagnosed with HPV and 33,700 Americans are diagnosed with a cancer caused by HPV. The HPV vaccination can prevent 92% of these cancers. In 2018 only 42.74% of adolescents in Wisconsin ages 13-18 had completed the HPV series and only 56.47% had received the first dose. Hospitalization represents [...]

Background: It has been reported that vaccination rates with pneumococcal vaccine are low in elderly persons in Japan. The primary aim of this study was to examine whether introduction of a vaccination status checkbox in electronic medical records increased the vaccination rates. Methods: Subjects were inpatients and outpatients in the Department of General Medicine at [...]

Case Presentation: A 22-year-old female was admitted with a 5-day history of bilateral lower extremity weakness. She received influenza vaccination five weeks prior to the presentation. The patient progressed rapidly over days to quadriplegia and respiratory failure requiring intubation and mechanical ventilation. The cerebrospinal fluid analysis showed albuminocytological dissociation, and nerve conduction studies revealed an [...]

Case Presentation: A 32 year old previously healthy male presented to the emergency department with acute non-exertional chest pressure with radiation to the back and jaw three days after receiving his third COVID-19 vaccine, a Pfizer-BioNTech, and 6 months after his initial two series Astra-Zeneca COVID-19 vaccines. His chest pain was improved with leaning forward. [...]

Case Presentation: A 52-year-old woman brought by family to the emergency department with worsening confusion over 24 hours. There were no associated symptoms and history negative for fever, headache, sore throat, cough, abdominal pain, diarrhea, travel, sick contacts, tick or mosquito bite, alcoholism or drug abuse. Family did report well controlled hypothyroidism, and influenza vaccination [...]

Case Presentation: A 62 year old woman with a history of hypertension suddenly developed a headache starting 3 days after receiving the influenza vaccine. The headache worsened and was associated with nausea, photosensitivity and vomiting. The next day she was lethargic, and that night, her husband states she sat up in bed and started “speaking [...]

Case Presentation: 66 year old man with a history of eosinophilic granulomastosis with polyangiitis presented with ascending numbness and unsteadiness that worsened over two days and finally manifested as paraesthesia and weakness in all extremities, gait imbalance, and diplopia. Three weeks prior to presentation, the patient had received the flu vaccine. Neurology was consulted upon [...]