The Pfizer COVID-19 vaccine produces lower levels of antibodies against the Delta variant, known as B.1.617.2 and discovered in India, according to a new study published Thursday in The Lancet.
Safety measures in the Spanish study included N95 masks, same-day testing, ventilation, and crowd control. None of the attendees tested positive a week after the event.
Exposure in the womb to maternal hypertensive disorders of pregnancy (HDP) is a risk factor for stroke four decades later, according to a large population-based study.
An estimated 38,680 people died in traffic crashes last year, the most of any year since 2007, the National Highway Traffic Safety Administration said in releasing preliminary numbers.
Interleukin 6 may be a biomarker for distant recurrence of breast cancer among patients treated for stage II-III HER2-negative disease, investigators have found. The evidence was presented at ASCO 2021.
A newly identified dopaminergic neural circuit in the hindbrain plays a role in satiety, a mouse study found, which methylphenidate, approved for ADHD, but which also causes appetite loss, acts on.
The updated guidance is based on recent studies that show vaccinated people face a very low risk of serious disease, according to the Associated Press.
Frank Herd 