Researchers determined there were 21 cases of anaphylaxis after receipt of the first dose of the Pfizer-BioNTech COVID-19 vaccine in the United States.
Researchers assessed the possibility of integrating pain, fatigue, and physical function in the evaluation of disease status in early rheumatoid arthritis.
Investigators compared differences in pain reports between patients with ankylosing spondylitis and non-radiographic axial spondyloarthritis to assess how pain sensitivity was associated with disease and health outcomes.
Patients with fibromyalgia suffer from chronic pain, which limits physical activity and is associated with disturbed sleep. However, the relationship between physical activity, pain, and sleep is unclear.
The number of Americans killed by COVID-19 topped 300,000, the same day the country launched a massive vaccination campaign to curb the spread of COVID-19.