Headlines Expert Newsletters Covid-19 Specialties Trending Feeds Videos

Background: Vaccine effectiveness (VE) against omicron is not well-characterized. We evaluated the effectiveness of two and three doses of BNT162b2 against...

Background: mRNA COVID-19 vaccines manufactured by Pfizer-BioNTech (BNT162b2) and Moderna (mRNA-1273) have been shown to be efficacious but have not been...

Context: SARS-CoV-2 is associated with adrenal and thyroid dysfunction. Steroid and thyroid hormone profiles were evaluated in patients hospitalized with...

Prescription drug prices continue to rise unabated in the United States, largely due to a system that allows brand-name drug makers to charge whatever...

Background: As Omicron became the dominant variant in South Africa, little is known about the severity of its clinical presentation. We describe the clinical...

Background: As Omicron became the dominant variant in South Africa, little is known about the severity of its clinical presentation. We describe the clinical...

Background: As Omicron became the dominant variant in South Africa, little is known about the severity of its clinical presentation. We describe the clinical...

Background: As Omicron became the dominant variant in South Africa, little is known about the severity of its clinical presentation. We describe the clinical...

  • 4.9% of cases were admitted to hospital during the fourth wave compared to 18.9% and 13.7% during the 2nd and 3rdwaves the fourth wave, 28.8% of admissions were severe disease compared to 60.1% and 66.9% in the second and third waves -South Africa omicron https://t.co/CesyfdT0nr - view on twitter