New COVID booster's human trial reveals safe, effective results

New bivalent COVID-19 boosters, targeting both original and BA.5 variants, appear safe and triggers an appropriate immune response in adults.

Updated boosters add limited protection against Covid-19 illness, first real-world study shows

Safety and immunogenicity of the ChAdOx1 nCoV-19 vaccine against SARS-CoV-2: a preliminary report of a phase 1/2, single-blind, randomised controlled trial - The Lancet

Real-world COVID-19 vaccine effectiveness against the Omicron BA.2 variant in a SARS-CoV-2 infection-naive population

Nasal Covid vaccine shows promise in early clinical trial

How effective are COVID-19 vaccines against omicron?

Severity of omicron variant of concern and effectiveness of vaccine boosters against symptomatic disease in Scotland (EAVE II): a national cohort study with nested test-negative design - The Lancet Infectious Diseases

Efficacy and Safety of NVX-CoV2373 in Adults in the United States and Mexico

9 Questions Asked About Updated COVID Boosters

Effectiveness of the second COVID-19 booster against Omicron: a large-scale cohort study in Chile

Annual or Biannual Boosters Are Optimal for Fighting Endemic COVID-19, Study Shows < Yale School of Public Health

Powerful new COVID-19 vaccine shows 90% efficacy, could boost world's supply, Science

A new COVID vaccine is here, but those at greatest risk may not get it as outreach drops off

CDC identifies possible safety issue with Pfizer's updated Covid-19 vaccine but says people should still get boosted

Here's the latest on COVID-19 vaccines