Articles tagged with Vaccination
A study found that administering COVID-19 and influenza vaccines on the same day is not associated with an increased risk of serious or clinically meaningful adverse events. The research, published in Annals of Internal Medicine, involved 2.5 million patients in the US Department of Veterans Affairs health care system and compared thos...
A fatal rabies case in an 11-year-old boy underscores the risks of human contact with bats, even without visible bites or scratches. Prompt post-exposure prophylaxis (PEP) is crucial to prevent death from rabies if administered promptly after exposure.
A study of 193 countries finds that armed conflict leads to more measles cases, even a year after fighting ends. Socioeconomic decline is the strongest connection between conflict and measles, as it erodes health foundations and population vulnerability.
A new study found that AI-powered chatbots can make vaccine-hesitant parents more likely to say they will immunize their children against HPV, but no more than standard written public health materials. Additionally, the effects of the chatbots did not last longer than those of government health materials.
A study finds that maternal RSV prefusion F vaccination protects against RSV-associated acute respiratory illness and lowers hospitalization rates among infants under 1 year. The findings support the effectiveness of this vaccine in preventing severe respiratory illnesses.
A study published in JAMA Network Open found that maternal RSV vaccination reduces hospitalization risk in young infants by nearly 70%. The vaccine also showed effectiveness against severe lung infections caused by the virus.
A new study identifies five core values shaping COVID-19 vaccination decisions among Black and Hispanic parents, including safety, knowledge, trust, humanity, and autonomy. Understanding these values can inform targeted public health campaigns to reduce racial disparities in childhood vaccination rates.
A study by Finnish researchers found that MMR vaccines provide sustained protection against measles transmission in Finland, maintaining herd immunity despite high vaccination coverage. The study identified a 'firewall population' of individuals with sufficient immunity to prevent infection and limit viral spread.
Research from Harvard Medical School confirms pediatric flu vaccines effectively reduce childhood flu cases, with fall-born children being more likely vaccinated and less likely to catch the flu. The study's findings provide additional support for flu vaccination, highlighting its public health benefits.
A nationally representative survey of empaneled adults found that most Americans understand how STIs spread, but there are significant gaps in public knowledge about which infections can be prevented through vaccination. The survey also revealed strong awareness of common transmission pathways and some basic facts about STIs.
A new study presents dual immunization against respiratory syncytial virus (RSV) using RSVpreF and nirsevimab, showing reduced hospitalizations among infants in France. The study found that this combined approach demonstrates potential for enhanced RSV prevention and protection
The study found substantial state-level variation in HPV vaccine uptake, with Northeastern states exhibiting higher rates and Southern states showing lower rates. Several sociodemographic factors were not significant predictors of vaccination rates, highlighting the need for targeted interventions to improve vaccine uptake.
A study of over 400 pregnant women found that vivid mental images are directly linked to their opinion of vaccines and whether they get vaccinated. Positive mental images were associated with increased vaccination rates, while negative images predicted higher hesitancy towards certain vaccines.
A systematic review of 59 studies found no association between aluminium-adjuvanted vaccines and serious or long-term health outcomes, including autism, type 1 diabetes, asthma, and myalgia. Persistent nodules or granulomas at the injection site were the most consistently documented reactions.
A study by Boston Children's Hospital researchers found that the US missed four out of seven measles elimination status indicators, with most at risk. The latest outbreak has spread continuously for over a year and affected 45 states since January 2025.
Researchers at La Jolla Institute for Immunology discovered that FluMist can trigger an immune response directly in nasal tissue, training immune cells to recognize and fight influenza virus infection. This response stays in the upper airways and cannot be detected via blood samples.
A new study by researchers at Mount Sinai overturns the assumption that immune cells are essential for generating immunity from mRNA vaccines. Instead, non-immune cells such as muscle and liver cells play a role in shaping the immune response.
A new study suggests that seasonal influenza vaccines may significantly reduce the risk of death from H5N1 infection. The study found that vaccines including a specific component, neuraminidase N1, reduced H5N1-related mortality by approximately 73 percent in vaccinated animals.
Brief delays in hepatitis B vaccine initiation result in substantial increases in virus infections, adverse health outcomes, and healthcare expenses. Economic evaluations reveal the significant financial burden of such delays on individuals and society.
Targeted birth-dose vaccine recommendation may increase neonatal HBV infections unless maternal screening improves or infant vaccination coverage increases. Universal screening and vaccination remain essential safeguards against these infections.
A recent study found that lower vaccination coverage among infants born to unscreened mothers is associated with a substantial increase in HBV infections. The researchers used simulation modeling to examine the impact of different levels of newborn vaccination coverage and maternal screening on HBV infection rates.
The study found that low influenza vaccination rates among children are associated with increased healthcare visits, hospitalizations, and ICU admissions. Achieving a 70% immunization rate could prevent up to 2.2 million outpatient visits and 123 pediatric deaths during high-incidence flu seasons.
A new study examined measles vaccination coverage in a primary care network following a large post-elimination outbreak. The findings show that MMR coverage remained below herd immunity levels, highlighting the fragility of measles elimination.
Three European countries reach 90% HPV vaccination coverage among girls by age 15, marking progress in cervical cancer prevention. HPV vaccination programmes show significant reductions in infections and precancerous lesions, with early administration increasing full protective potential.
Researchers at WashU Medicine discovered that mRNA vaccines can trigger strong anti-tumor responses even without certain immune cell subtypes, suggesting a novel pathway for cancer treatment. The study found that both cDC1 and cDC2 dendritic cells play a role in stimulating T-cell responses.
Researchers found that extending vaccination opportunities, involving community members, and providing financial incentives are effective ways to increase vaccine uptake. The study analyzed international trial evidence and highlighted the most effective components across different populations and contexts.
Researchers found that influenza vaccination reduced the risk of heart attack and stroke by half for those who got infected, even if they didn't get vaccinated beforehand. The study's findings suggest prioritizing influenza vaccination among high-risk populations could have significant public health impact.
Persistent inequalities remain a major barrier to achieving universal protection against life-threatening infections. The study found that PCV booster retention has dropped in England since the schedule change, disproportionately affecting children in more deprived areas.
The Johns Hopkins team developed a therapeutic intranasal DNA vaccine against tuberculosis that accelerated disease clearance, improved treatment outcomes, and stimulated immune responses. The vaccine combines two genes to direct the immune system to fight drug-tolerant bacterial persisters, showing promise for treating TB.
Among highly boosted patients with cancer, overall postacute sequelae risk was not elevated compared to noninfected patients; hospitalized COVID-19 patients remained at increased risk despite therapeutics. Vaccination and boosting remain important in mitigating long COVID among immunocompromised patients
A nationwide survey in Switzerland found that HPV vaccination uptake among adults was lower than among adolescents, with only 27% of those aged 18-45 vaccinated. The survey also revealed significant differences between genders, age groups, and levels of knowledge about HPV, highlighting the need for targeted information and tailored co...
Researchers at the University of Pennsylvania developed lipid nanoparticles that modify immune metabolism to strengthen mRNA vaccines and reduce common side effects. The new lipid boosts the metabolism of immune cells, providing energy for the body's defenses while dialing down inflammatory signals.
Researchers reveal that skin-cell calcium channel TRPV3 is activated by plant-derived fragrant molecules, leading to enhanced immune responses and potential new vaccine adjuvants. The study provides a novel understanding of immune crosstalk and offers a safer approach to enhancing vaccine efficacy.
The American College of Physicians (ACP) supports the American Academy of Pediatrics' (AAP) 2026 childhood vaccine schedule, which is based on evidence and better reflects current disease epidemiology. The ACP's Immunization Committee found the AAP recommendations to be more evidence-based than the CDC's recommendations, particularly i...
Severe COVID-19 and influenza infections can prime the lungs for cancer development, according to new research. Vaccination, however, largely prevents these changes, suggesting a reduced risk of lung cancer.
A new survey from the Annenberg Public Policy Center finds that Americans are more confident in career scientists at federal health agencies such as the CDC, NIH, and FDA, than in their leaders. The survey also reveals a significant gap in confidence between career scientists and agency leaders, with only 5% of Americans expressing
The American College of Physicians advises all adults aged 75 or older to receive a protein subunit Respiratory Syncytial Virus (RSV) vaccine, reducing the risk of severe illness and hospitalization. Adults aged 60-74 with comorbid conditions may also consider receiving the vaccine. The benefits outweigh the harms in this age group.
Researchers found that adding native forest litter rapidly reshaped soil microbial communities and improved their functional potential. This low-cost strategy could help accelerate ecological recovery in degraded landscapes worldwide.
The Alliance for Clinical Trials in Oncology will host a webinar highlighting recent clinical advances in breast cancer, multiple myeloma, and leukemia. Researchers will present key findings from ASH and SABCS meetings, impacting treatment outcomes.
A nationwide study in Sweden found that HPV vaccination significantly reduces the risk of invasive cervical cancer, with sustained protection observed for 13-15 years after vaccination. The study also showed a population-level decline in cervical cancer cases over time.
A new study found that US newborn hepatitis B virus vaccination rates declined by over 10 percentage points in the last 2 years. This decline reverses 6 years of growth and is aligned with WHO and CDC coverage estimates through 2022.
A study of over 50,000 pregnant women in Norway found low vaccination rates against COVID-19 and influenza, with only 29.9% and 12.1% vaccinated respectively. The study highlights the need for targeted strategies to improve vaccination uptake among expectant mothers.
A new study of over 3 million adults found that booster vaccines reduced the risk of COVID-19-related hospitalization and death. The effectiveness was similar for Moderna and Pfizer-BioNTech booster vaccines, but protection declined over time.
A novel vaccination approach cleared harmful gut bacterium Clostridioides difficile (C. diff) in an animal model of infection. The experimental vaccine protected against illness, death, tissue damage and infection recurrence through mucosal immunization.
A new commentary raises concerns about editorial bias in scientific publishing, particularly in relation to COVID-19 vaccine safety and efficacy. The authors highlight the rejection of a case report and literature review that raised potential links between mRNA vaccines and rare blood cancers.
A team from UNIGE has shown that certain antibodies to seasonal flu can also target avian flu. Stimulating these antibodies could strengthen protection in the event of a pandemic. Vaccinated individuals show increased levels of cross-reactive antibodies capable of neutralizing the H5N1 virus, which may result in milder symptoms.
A survey by the Annenberg Public Policy Center found that a strong majority of Americans view the MMR vaccine as safe relative to other vaccines. However, the number of people holding this view is below the threshold required for community immunity, which is worrisome.
According to the latest ECDC report, 7,655 measles cases were reported across 30 countries in 2025, with eight fatalities. This represents a significant decrease from 35,000 cases in 2024 but is still almost double the number of cases in 2023.
A study from Linköping University in Sweden found no association between COVID-19 vaccination and decreased childbirth rates. Researchers analyzed data on over 60,000 women and found no statistically significant difference between vaccinated and unvaccinated groups.
A recent poll found that 42% of people over 50 haven't gotten either flu or COVID-19 vaccines in the past six months. The leading reason for not getting vaccinated was a lack of perceived need, despite clear evidence showing vaccination reduces the risk of serious illness and death in older adults.
Scientists at The Wistar Institute have developed an innovative HIV vaccine candidate that induces neutralizing antibodies against HIV after a single immunization in nonhuman primates. The approach could significantly shorten and simplify HIV vaccination protocols, making them more accessible worldwide.
The study found that 2024-2025 COVID-19 vaccines offer protection against COVID-19 hospitalization and severe in-hospital outcomes. Monitoring vaccine effectiveness remains crucial to guide vaccine composition and recommendations.
The new platform developed by UVA Health scientists can produce vaccines much faster, cheaper, and more easily than traditional approaches. The platform's proof-of-concept demonstrates its ability to produce highly immunogenic vaccines that can be manufactured at extremely low cost.
The US administration's attacks on biomedical research and vaccination policies have severe consequences for healthcare protection and global public health. Certain scientific topics in infectious diseases and immunology have been deprioritized, and the US has withdrawn from major global public health programs.
According to a new study, Massachusetts is close to eliminating cervical cancer due to its low incidence rate of 4.3 cases per 100,000 in recent years. In contrast, the Southeast and Southwest regions have higher rates of 11.2 and 9.9 cases per 100,000, respectively, making it challenging for these states to reach elimination goals.
The CDC recommends RSV vaccination for pregnant women to protect their newborns, while a monoclonal antibody injection is also available for high-risk infants. Most experts agree that RSV immunizations should be recommended for these groups due to the severity of the illness they can cause.
A new study found that shingles vaccination is associated with lower inflammation, slower epigenetic aging, and overall slower biological aging in older adults. Vaccination showed benefits even four years after the initial dose.
This study reveals an increase in nonmedical childhood vaccination exemptions from 2010 to 2024, driven by the COVID-19 pandemic, with wide regional disparities.