During July to September 2022, 96.4% had SARS-CoV-2 antibodies, including 26.1% from vaccination alone, 22.6% from infection alone, and 47.7% from both.
Patients with persistent symptoms of brain impairment after mild to moderate COVID-19 had elevated levels of a protein indicating inflammation.
Cats can become infected with COVID-19 through contact with other infected animals or contaminated surroundings, the data show.
The risk of infection was similar for mothers who had newborns room-in with them at the hospital, and among newborns who went to a nursery following birth.
About 25% of 750 survey respondents met the criteria for alcohol misuse, with 5% classified as binge drinkers.
First Nations people, who are at high risk for poor COVID-19 outcomes, had robust immune responses to the Pfizer/BioNTech vaccine.
Hospitalizations for COVID-19 are down 11% compared to a week ago, and deaths from the virus are down 13.3%.
From 2020 to early 2022 in England, the COVID-19 infection-fatality ratio decreased from 0.67% to 0.10%.
Delayed diagnoses of lung, breast, and colorectal cancers will likely be on the rise because of missed cancer screenings during the pandemic.
Data suggest an increased risk of new-onset mental illness only in SARS-CoV-2–positive patients aged 70 and older.
Experts from the Annenberg Public Policy Center prefer "Vaccination Safety Monitor" or "Vaccination Safety Watch" over VAERS.
Excess deaths were 22%, 22%, and 25% above baseline in low-, medium-, and high-vaccination states in the first year of the pandemic, but 23%, 22%, and 16%, respectively, in the second.
Pre-infection COVID-19 vaccination was tied to a lower likelihood of persistent symptoms 45 days after infection.
The incidence of new-onset type 1 diabetes was almost double in kids diagnosed as having COVID-19.
Clots were seen in multiple arteries in close to 30% of patients with COVID-19 at the time of their heart attack, but in less than 5% of heart-attack patients who did not have COVID-19.
Among 136 Americans who reported receiving an incentive to get vaccinated against COVID-19, 64% said they would have done so anyway.
A review of 27 studies reveals that dogs have more than 80% sensitivity and more than 90% specificity for detecting COVID-19 in people through scent.
Transplant patients who receive a heart from a COVID-19–infected donor may be at greater risk for death, with the risk doubled at 1 year.
COVID-19 patients had a longer hospital stay and a 69% higher mortality rate than ICU patients with influenza.
A lack of exposure to respiratory syncytial virus in the first 2 years of COVID-19 may have led to the global resurgence of the virus in 2022 and 2023.
The economic burden of healthcare worker infections ranged from $2 million in Eswatini to $163 million in South Africa.
A lower proportion of infants with COVID-19 had co-occurring UTIs, bacteremia without meningitis, and bacterial meningitis.
An analysis of nearly 3 years of patient data finds no evidence of major changes in the level of inappropriate or repeat antibiotic prescribing in primary care.
The study was based on data collected from 4.8 million people who received at least one dose of the Moderna vaccine.
Obesity accelerates the loss of COVID-19 vaccine-induced neutralizing antibody capacity, concludes a study of 3.6 million adults.
