Articles tagged with Vaccine Research
Researchers at Tulane University discovered that prior exposure to Cytomegalovirus (CMV) significantly reduces the risk of birth defects and miscarriage during pregnancy. The study found that pre-existing immunity effectively limits transmission and protects against associated birth defects.
Researchers found that using electronic prompts during appointment scheduling for seasonal flu and COVID-19 vaccines can identify willing participants for HPV and shingles vaccines. Only 30% of those booking for these vaccines were already vaccinated against HPV, presenting a significant opportunity for targeted campaigns.
The article discusses the need to reassess COVID-19 precautions in 2023, particularly for patients with hematologic malignancies. The researchers highlight the increased risk of poor response to vaccination and worse outcomes from COVID-19 infection among these patients.
Researchers at UMass Amherst have identified a small strand of microRNA called let-7 as crucial in governing the formation of cellular memories that enable T-cells to recognize and attack tumor cells. This discovery offers new insights into how vaccines work and could lead to improved cancer therapies by boosting cellular memory.
Researchers found that training the gut's immune system to target flagellin, a protein enabling bacterial motility, protects against emulsifier-induced chronic intestinal inflammation and metabolic dysregulation. This study suggests a potential new approach for preventing inflammatory conditions such as obesity and type 2 diabetes.
A study of over 15,000 individuals with chronic kidney disease found that young age, Black race, and low education and income were linked to lower flu vaccine uptake. The study suggests that targeted vaccination efforts could improve uptake among those with kidney disease.
A new editorial paper explores the effectiveness of the third dose booster vaccine against SARS-CoV-2 in immunocompromised individuals. Researchers found that while the vaccine improves vaccine effectiveness across various measures, its benefits are not as significant for patients with cancer.
Researchers found that hepatitis C treatment improved response to hepatitis B vaccine in individuals who previously didn't respond. The study recommends checking for hepatitis B immune protection and offering vaccination after treatment.
A new study by Uppsala University researchers reveals a significant difference in vaccination rates among people with varying cognitive abilities. Among those with the highest cognitive ability, 80% were vaccinated within 50 days, while it took 180 days for those with the lowest cognitive ability to reach the same rate.
In a cohort study of 2,055 patients with glomerular diseases, COVID-19 vaccination did not worsen kidney damage or affect proteinuria. The data support vaccination for COVID-19 in patients with glomerular disease.
A recent study found that ChatGPT scored 9/10 in accuracy for debunking Covid-19 vaccine myths, making it a reliable source of non-technical information. The AI tool's responses were accurate in addressing both true and false contraindications, but highlighted potential concerns over changes in answers over time.
Researchers are developing a community-based digital health intervention to increase vaccination uptake among children in rural and underserved areas. The project aims to empower community health workers to deliver education on vaccinations, overcoming the digital divide and addressing challenges faced by limited health workforce.
Researchers tracked infections among Connecticut correctional facility residents to find that high exposure to the virus reduces vaccination and prior infection effectiveness. Hybrid immunity provides higher protection in such settings.
Scientists have discovered that SARS-CoV-2 can infect cells using multiple entry points beyond ACE2, explaining its ability to jump between species. This finding highlights the need for continued monitoring of coronaviruses and their potential to cause future pandemics.
Researchers found that sequential vaccinations given in the same arm generated a stronger immune response than those administered in different arms. This is particularly true for cytotoxic CD8+ T cells and antibodies targeting the SARS-CoV-2 virus.
Pregnant individuals who received a full course of COVID-19 vaccination and a booster have the strongest immune protection from the disease. Boosting after previous infection increases antibody levels in both mothers and newborns, providing maximum possible protection to infants as SARS-CoV-2 evolves.
A new study on over 40,000 Canadians found that extroverts were 18% more likely to refuse COVID-19 vaccination. In contrast, people with high openness and agreeability were more likely to get vaccinated. The findings can help inform future public health messaging strategies.
A new study found that rural areas experienced higher excess deaths during the second year of the pandemic, despite vaccines being widely available in urban areas. The study highlights the role of healthcare inequities, vaccine skepticism, and partisanship in exacerbating mortality rates in rural communities.
A new study found that more than one million US deaths per year could be avoided if the US had mortality rates similar to its peer nations. Excess deaths among working-age adults are particularly stark, with nearly 50% dying before age 65 in 2020 and 2021.
A new study found that COVID-19 vaccines significantly reduced dementia-related deaths in long-term care and nursing homes, with a 77% decrease in the second year. However, deaths among those living at home did not decline as much, with only a 16% reduction.
A new Boston University study found that COVID vaccines likely do not affect menstrual cycle regularity, bleed length, or pain. Menstrual cycles increased by 1.1 days after a first dose and 1.3 days after a second, but these changes resolved within one to two cycles.
A UCLA-led team is tracking mpox outbreaks across the US with a new surveillance project called CRASHED. The research aims to identify cases beyond high-risk groups and determine if mpox remains rare or resurges more broadly.
A third of under-fives attending Paediatric Emergency Departments have unmet vaccination need, with tetanus and MMR vaccination coverage levels below target. Researchers call for catch-up campaigns to reach this vulnerable group.
A study published in Management Science found that the UK's Covid vaccine mandate caused a 3-4% reduction in staffing in elderly care homes, equivalent to 14,000 to 19,000 employees. The policy led to an increase in reliance on agency workers and persisted even after the mandate was lifted.
A study of 17,000 people across eight African countries found a decline in vaccine confidence, particularly for COVID-19 vaccines. The drop in routine childhood vaccinations has led to six million fewer children receiving life-saving shots, putting decades of progress at risk.
Dr. Maria Elena Bottazzi receives the award for her leadership in developing a patent-free open-source vaccine for COVID-19, which has been adopted globally and distributed over 100 million doses.
A study by University of Missouri researchers found similarities in COVID-19 mortality rates between certain US states and Canadian provinces, highlighting the importance of localized public health strategies. The findings suggest that factors such as population density, age, and socioeconomic conditions may have contributed to these s...
The Vaccine Adverse Event Reporting System (VAERS) collects reports of adverse events after vaccination, but public confusion about its nature and reports has increased. A new report recommends renaming the system to a clearer alternative and making additional changes to reduce misinterpretation.
A new review of published research finds that vaccine hesitancy among parents is a persistent issue, with concerns about childhood vaccines persisting over time. The study highlights significant disparities in vaccination rates across states and demographic groups, including lower rates among Black and Hispanic children.
Researchers from Karolinska Institutet in Sweden report that individuals vaccinated against smallpox decades ago retain cross-reactive immunity to mpox. The study found that previous smallpox vaccination provides about 80% protection against mpox.
A large, prospective study led by the Fred Hutchinson Cancer Center recommends that cancer patients receive SARS-CoV-2 mRNA vaccination three to four months after bone marrow transplant. The study found that early vaccination can provide crucial protection against severe COVID-19 in this vulnerable population.
A new University of Ottawa study found that educated Black individuals in Canada were hesitant to receive the COVID-19 vaccine due to distrust in the healthcare network. The survey revealed that health literacy and racial discrimination played a significant role in this mistrust.
The study found that vaccine type significantly impacts the immune response to COVID-19, with Pfizer and Moderna offering a stronger antibody response than Johnson & Johnson. Age, sex, BMI, and smoking status also affect vaccine effectiveness, with smokers experiencing a 240% lower response.
The MUSC Hollings community health van has increased access to the human papillomavirus (HPV) vaccine in South Carolina's underserved communities. The vaccine is linked to six different kinds of cancer, including cervical, throat, anal, penile, vaginal and vulvar cancers.
A large-scale registry study in Finland identified factors associated with COVID-19 vaccination uptake, including low labor income and mental health issues. The study found that individuals in vulnerable positions were the least likely to vaccinate, highlighting the need for targeted vaccination campaigns.
A study published in Communications Biology suggests that gut bacteria's digestion of fucose sugar may be behind weaker immune responses to the COVID-19 mRNA vaccine. Individuals with lower T-cell responses had higher expression of genes FOS and ATF3, which are part of a larger group controlling T-cell survival and activity.
Researchers successfully applied reinforcement learning to protein design, creating proteins with improved antibody generation and accurate nano-structures. The approach may lead to more potent vaccines and novel applications in regenerative medicine.
A global study of 9,555 individuals found a 4% increase in heavy bleeding days and total bleeding quantity after COVID-19 vaccination. Changes often resolve by the first post-vaccination menstrual cycle.
A study published in JCI Insight found that pregnant women display robust immune responses to SARS-CoV-2 infection, comparable to those of non-pregnant women. Key differences were observed in the dynamics of innate immune cells at the first line of defense towards viral infections.
A new study found that a handful of key Twitter influencers effectively countered vaccine misinformation and promoted accurate information about vaccines. Social media influencers can use their social capital to challenge the spread of conspiracy theories.
A national survey found that South Carolina residents were more hesitant to receive COVID-19 vaccines due to low confidence in public health scientists and collective responsibility. Researchers hope that targeted education efforts will address these factors and reduce vaccine hesitancy.
A clinical study has shown that vaccination during pregnancy can effectively prevent severe respiratory syncytial virus (RSV) disease in infants. The vaccine was found to be well-tolerated and provided over 80% protection against RSV illness, with benefits expected for vulnerable populations worldwide.
A UCLA study found that individuals who support the Black Lives Matter movement tend to be less hesitant about receiving COVID-19 vaccines. The researchers suggest that altruistic feelings about interactions between different social groups may account for this phenomenon.
A new analysis shows that the US has substantially higher death rates at all but the oldest ages compared to five high-income European countries. The excess death gap widened during the Covid-19 pandemic, with the number of excess deaths nearly doubling between 2019 and 2021.
Researchers found that COVID-19 vaccination generates robust T cell responses in haematology patients, on par with healthy individuals. The study provides key insights for future immunisation strategies and shows that mRNA vaccines can elicit strong T cell immunity in patients with co-morbidities.
Research finds COVID-19 vaccine fatigue is driven by confidence in institutions and communication campaigns, with positive incentives boosting willingness among partially vaccinated groups. Effective strategies include adapted vaccines, low-barrier access, and expert consensus.
Researchers examine how chronological and biological age impact vaccine effectiveness, finding that both factors influence immune system capacity to mount responses. The study highlights the need for further research into 'immune aging' risk and departures from healthy aging.
Researchers report that RNA vaccination in pregnant rabbits confers benefits to offspring, triggering robust antibody responses that are likely passively transferred. The study supports further development of the LION TM/repRNA vaccine platform for protecting against mother-to-child transmission of pathogens.
Researchers found that fomepizole blocked energy production in bacteria and reduced bacterial burden in mice with pneumonia. The combination treatment prevented invasive disease development, suggesting a potential novel treatment for multidrug-resistant pneumococcal disease.
A new meta-analysis found that sleeping fewer than six hours per night after COVID-19 vaccination was associated with a weakened antibody response. The study highlights the need for simple behavioral interventions like sufficient sleep to improve vaccine efficacy during the pandemic.
A small number of patients with acute myocarditis after COVID-19 vaccination showed signs of heart muscle inflammation, while asymptomatic patients had normal cardiac tissue. The study suggests that symptoms alone are a poor indicator of myocardial injury after vaccination.
A recent study found that anxiety about contracting COVID-19 is a significant predictor of vaccine hesitancy. However, proactive coping, a trait involving future planning, also plays a surprising role in vaccine hesitation, amplifying it at both ends of the spectrum.
MIT engineers develop a new purification method using bioconjugate-functionalized nanoparticles to rapidly crystallize proteins, reducing the cost of manufacturing protein drugs. The approach has shown promising results in isolating lysozyme and insulin, with faster crystallization times and increased nucleation rates.
CHOP researchers have identified variants of a chaperone molecule that can enhance the loading of peptides across different HLA types, which could be used in cell therapy and immunization applications. The study found that chicken-derived TAPBPR proteins can react with multiple HLA allotypes and stabilize the empty MHC-I groove, boosti...
A new study explores the complexity of parents' decision-making processes regarding SARS-CoV-2 vaccination for their children. The research highlights the importance of individualized discussions with healthcare providers to help interpret evidence and provide tailored recommendations.
Researchers confirmed the first cases of canine distemper virus in tigers and leopards in Nepal, which can cause fatal neurological disease. The study found that 11% of tigers and 30% of leopards had antibodies to CDV, indicating prior infection with the virus.
The new grant enables LJI to lead the Human Immunology Project Consortium Data Coordinating Center, providing access to human immunoprofiling data from over 11,000 participants. This will fuel scientific collaboration in understanding immune responses to viruses, autoimmune diseases, and more.
A University of Queensland-led team has secured almost $8 million in philanthropic funding to develop an mRNA vaccine against Group A Streptococcus (Strep A), which causes over 500,000 deaths annually due to rheumatic heart disease.
A recent study published by The BMJ found that COVID-19 vaccination during pregnancy may have benefits for both mother and baby. Two doses of mRNA Covid-19 vaccine were highly effective against delta infection, while two doses against omicron infection showed moderate effectiveness. A third dose during pregnancy also bolstered protecti...
A study by Brown University researchers found that night shift nursing home staff had significantly lower rates of COVID-19 testing and primary vaccination compared to day shift staff. The study highlights the importance of considering work shifts in designing workplace health interventions.