Objectives The rapid spread of the SARS-CoV-2 Omicron variant has raised concerns regarding waning vaccine-induced immunity and durability. We evaluated protection of the third-dose and fourth-dose ...

Hybrid immunity (a combination of natural and vaccine-induced immunity) provides additional immune protection against the coronavirus disease 2019 (COVID-19) reinfection. Today, people are commonly ...

Paxlovid, a SARS-CoV-2 antiviral, not only prevents severe illness but also curtails viral shedding, lowering transmission risks from treated patients. By fitting a mathematical model of within-host ...

Serum and saliva samples from 176 vaccinated adults were collected from October to December of 2021, immediately before the Omicron wave, and assessed for SARS-CoV-2 Spike-specific IgG and IgA binding ...

aState Public Health Laboratory, Directorate of Public Health and Preventive Medicine, DMS Campus, Teynampet, Chennai, Tamil Nadu 600 006, India bInfection and Inflammation, Department of ...

aDepartment of Internal Medicine, University of Michigan, Ann Arbor, MI, USA bSchool of Public Health, University of Michigan, Ann Arbor, MI, USA cComputational Medicine and Bioinformatics, University ...

Antigen-specific antibody responses alone are insufficient to combat viruses that are constantly evolving. Currently, there is a great need for a broadly protective vaccine that induces robust humoral ...

Journal Editorial Report: The week's best and worst from Kim Strassel, Kyle Peterson, Collin Levy and Dan Henninger. Images: Zuma Press/The Atlanta Journal-Constitution/Getty Images Composite: Mark ...

The Monday after the federal election, my phone dinged and the dreaded message popped up: "I'm so so sorry Bel. I have COVID." It came from a friend, and just 36 hours prior, we were sitting in her ...

Infection with severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) provides natural immunity against reinfection. Recent studies have shown waning of the immunity provided by the BNT162b2 ...