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Study says original COVID-19 vaccination did not stop immune system from fighting variants

A study by researchers at the University of Arizona Health Sciences found that vaccinated people generated an overall protective immune response to Delta and Omicron strains, with slightly fewer antibodies for the mutated parts of the virus. The research suggests that immune changes due to antigenic imprinting may not be a significant ...

SourceUniversity of Arizona Health Sciences·JournalNature Immunology·TypeObservational study·DateMay 27, 2025

Major typhoid fever surveillance study in sub-Saharan Africa indicates need for the introduction of typhoid conjugate vaccines in endemic countries

A new study finds that the high burden of typhoid fever in sub-Saharan African countries calls for stronger prevention strategies, including the use and implementation of typhoid conjugate vaccines. The study estimates that there are 12.5 to 16.3 million cases of typhoid every year with 140,000 deaths.

SourceInternational Vaccine Institute·JournalThe Lancet Global Health·TypeObservational study·DateMar 12, 2024

A patch of protection against Zika virus

A new vaccine patch has delivered an effective immune response to Zika virus in mice, providing rapid protection against the disease. The patch, which uses a high-density microarray platform, targets a specific protein crucial to the virus's survival and evokes T-cell responses up to 270% higher than traditional vaccines.

SourceUniversity of Queensland·JournalMolecular Therapy — Nucleic Acids·DateNov 30, 2023

Quality Improvement Program increases pneumococcal vaccination in adults with advanced kidney disease

A quality improvement program increased pneumococcal vaccination rates from 53% to 70% in adults aged 18-64 years with stage 4 and 5 chronic kidney disease. The intervention, which utilized electronic best practice alerts within the electronic medical record, improved vaccination rates primarily among this high-risk group.

SourceNational Kidney Foundation·JournalAmerican Journal of Kidney Diseases·DateAug 17, 2022

THE LANCET PUBLIC HEALTH: COVID-19 certification may increase vaccine uptake in countries with below average vaccination coverage, modelling study suggests

A modelling study suggests COVID-19 certification increases vaccine uptake in countries with below-average vaccination coverage. In six countries, certification was linked to a significant uptick in anticipation of restrictions and continued increases after introduction.

SourceThe Lancet·JournalThe Lancet Public Health·TypeComputational simulation/modeling·DateDec 13, 2021

How much progress has there been in vaccinating against Hib in the Americas?

By the end of 2006, all countries in the Americas had included Hib vaccine in their immunization schedule. However, efforts are still needed to strengthen invasive bacterial disease surveillance and improve vaccination coverage. The successful introduction of Hib and pneumococcal vaccines could reduce global severe pneumonia burden by ...

SourcePLOS·JournalPLOS Medicine·DateApr 21, 2008

Men C vaccine is safe for infants

A study published in the Archives of Disease in Childhood found that the Men C vaccine is safe for infants, with minimal adverse events reported. The vaccine was administered to almost 3000 infants between 2-5 months old and showed no serious adverse events, with only mild side effects such as swelling and redness at the injection site.

SourceBMJ Specialty Journals·JournalArchives of Disease in Childhood·DateOct 21, 2001