Effectiveness of bivalent mRNA booster vaccination against SARS-CoV-2 Omicron infection, the Netherlands, September to December 2022
The severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) Omicron variant has been dominant in Europe since January 2022, causing large waves of infections because of high transmissibility and escape from vaccine- and infection-induced immunity.
COVID-19 Incidence and Mortality Among Unvaccinated and Vaccinated Persons Aged ≥12 Years by Receipt of Bivalent Booster Doses and Time Since Vaccination — 24 U.S. Jurisdictions, October 3, 2021–December 24, 2022
COVID-19 vaccine effectiveness decreased with waning of vaccine-derived immunity and emerging Omicron sublineages.
Virus infections, blood clots and bleeding
What do Ebola, Dengue Fever, Lassa Fever, or other hemorrhagic fevers, that often inspire Hollywood productions, have in common with respiratory viruses, such as influenza or Sars-Cov2?
Protective effectiveness of previous SARS-CoV-2 infection and hybrid immunity against the omicron variant and severe disease: a systematic review and meta-regression
The global surge in the omicron (B.1.1.529) variant has resulted in many individuals with hybrid immunity (immunity developed through a combination of SARS-CoV-2 infection and vaccination).
Persistent SARS-CoV-2 infection in patients seemingly recovered from COVID-19
SARS-CoV-2 infection is clinically heterogeneous, ranging from asymptomatic to deadly.
SARS-CoV-2 diagnostic testing rates determine the sensitivity of genomic surveillance programs
The first step in SARS-CoV-2 genomic surveillance is testing to identify people who are infected. However, global testing rates are falling as we emerge from the acute health emergency and remain low in many low- and middle-income countries.
Risk of Type 1 Diabetes in Children is Not Increased after SARS-CoV-2 Infection: A Nationwide Prospective Study in Denmark
It has been hypothesized that SARS-CoV-2 infection in children can increase risk of developing type 1 diabetes.
"Protection against influenza and its complications in the context of Covid-19” symposium at Options XI
The Covid-19 pandemic has affected influenza circulation globally, surveillance is important to assess the upcoming season. Influenza is back!
Why Are Lots of Kids Likely to Be Sick This Holiday Season?
Opinion by Florian Krammer and Aubree Gordon
Navigating COVID language traps
Opinion by Dr. Peter M. Sandman.
Addressing COVID-19 vaccine hesitancy
This article seeks to summarize the currently available information to address the most common concerns regarding COVID-19 vaccination.