Multiple sclerosis was associated with a 7-times-greater rate of COVID-19 hospitalization and quadruple the risk of death.
Comparing symptoms at 1-month and 3-month follow-up, one study observed a declining trend of long COVID, from 82.1% to 66.7%.
The countries had procured about 916,120 Paxlovid courses, compared with a minimum need for 9,135,953 courses.
A total of 7% of residents with HIV were reinfected with SARS-CoV-2, compared with 5% of those without HIV.
Advanced maternal age, obesity, Asian race, and private insurance were all correlated to COVID-19 vaccine uptake.
The bats were tested as part of the response to a Nipah virus outbreak in Kozhikode district, where spillovers have been reported before.
Deaths were up a bit, but hospitalizations, emergency department visits, and test positivity trended downward.
The official report said the farm houses 70,000 animals.
The effect was smaller among females, Asian, Black, and Hispanic race, and patients with lower incomes.
Patient blood samples showed signs of persistent immune-system changes believed to be related to long COVID.
Risk factors for long or very long COVID included female sex, the presence of least one underlying condition, and moderate or severe COVID-19.
The study was based on outcomes seen among 660,000 UK patients from February 2020 to April 2021.
Relative vaccine effectiveness was an additional 50% against critical illness.
While antibiotic use at three Chicago hospitals increased in COVID-19 patients at the outset of the pandemic, it declined among non–COVID patients.
Thirty-day death rates were 8% in the Omicron group, 3% in flu patients, and 6% in the RSV group.
Formulations of the combo vaccines prompted robust immune responses against influenza A, influenza B, and SARS-CoV-2.
The researchers estimated 1 in 30 hospitalizations among newly infected adults aged 80 years and older.
The analysis included 806 patients who were infected with the wild-type strain, Alpha, Delta, or Omicron strain.
The estimated percentage of JN.1 viruses is very small—about 0.1%.
No effect was seen on women's or men's vaccination status and miscarriage rates.
The only benefit seen was a lowered combined risk for venous thromboembolism.
The proportion of respondents who believe in the safety of vaccines fell from 77% in April 2021 to 71% in fall 2023.
Cruise ships became one of the first sites of COVID-19 outbreaks in the spring of 2020.
In the first pandemic year, executive function and working memory were significantly worse across the cohort.
On the third day of illness, 19% of participants worked remotely during the pandemic, compared with 9% before.