Articles tagged with Vaccination
A study by Massachusetts General Hospital found that COVID-19 vaccine skin reactions are rare, affecting approximately 1.9% of recipients after the first dose. The majority of these reactions did not recur after a second dose, providing critical reassurance to individuals with concerns about vaccination.
A single dose of either the Pfizer or Astra Zeneca COVID-19 vaccine offers around 60% protection against infection from SARS-CoV-2 in residents of long-term care facilities aged 65 and over. Vaccination also reduces the risk of transmission and infectivity, with a protective effect evident from 4 weeks after vaccination.
A new study suggests that people who had COVID-19 need only one vaccine dose for protection and that boosters could be necessary for everyone in the future. The Pfizer-BioNTech and Moderna vaccines triggered antibody levels similar to those seen after mild COVID-19 infections with one dose.
The NIH's MOMI-VAX study aims to assess antibody responses, transfer of antibodies to infants, and vaccine safety in vaccinated participants and their newborns. The study will enroll up to 750 pregnant individuals and 250 postpartum individuals, followed through the first year after delivery.
A $200,000 grant will help promote vaccine confidence and uptake among farmworkers and other marginalized populations in 8 New York counties. The project aims to address health disparities and build equity through effective vaccination partnerships.
A comprehensive review of literature on mRNA COVID-19 vaccine cutaneous reactions found that most reactions are harmless and transient, resolving within two to five days. Rare reactions such as herpes zoster reactivation have been reported, but the overall safety profile of the vaccines remains reassuring.
Vaccine developers suggest that documented side effects are a byproduct of an effective immune response. The authors argue that fatigue and headache after vaccination should be viewed positively as a necessary step towards herd immunity.
Researchers have identified hotspots of undervaccinated children across Montana using spatial scan analysis. The study found that parental hesitancy on vaccination is concentrated in the western part of the state, while structural or access barriers are more prevalent on the eastern side.
A new study published in Cell journal suggests that COVID-19 antibodies lack the ability to enhance disease in animals. The research used mice and monkeys to test human antibodies, finding that they exert their defensive powers against SARS-CoV-2 infection, not exacerbating it.
Two studies report a rare variant of Guillain-Barre syndrome characterized by prominent facial weakness following COVID-19 vaccination. The frequency of the condition was estimated to be up to 10 times greater than expected in areas where the vaccine was administered.
A multinational study published in The BMJ found significant differences in adverse event rates among over 126 million people across four continents. The study highlights the importance of considering population differences when monitoring vaccine safety.
A recent study analyzed access to COVID-19 vaccination sites in Brooklyn, finding significant racial and ethnic disparities. The research revealed that Black and Hispanic populations faced barriers to accessing vaccination sites, highlighting the need for targeted interventions to address these disparities.
Researchers found that COVID-19 vaccines pre-prepared in syringes can be safely transported under minor precautions, with messenger RNA remaining stable for at least three hours. The study aims to streamline vaccination processes, particularly in rural and less developed areas.
A RUDN mathematician built a COVID-19 spread model to predict the disease's behavior and forecast subsequent waves. The model accurately predicted the epidemic course in countries without mass vaccination until the vaccination effect began.
A $1 million grant will be used to develop fluorochemical dispersants, known as FTags, which coat proteins in vaccine liquids to stabilize them thermally. This technology aims to eliminate the need for refrigerated supply chains and ensure vaccines can be transported at elevated temperatures.
Researchers report on seven patients hospitalized for acute myocarditis-like illness following COVID-19 vaccination. All symptoms resolved before hospital discharge after treatment with beta-blocker and anti-inflammatory medications.
A study found that receiving the Moderna vaccine reduced SARS-CoV-2 infection rates among health care workers, beginning eight days after the first dose. The vaccine's efficacy in preventing infections was demonstrated through this association.
A new study reveals that current vaccines may lack essential viral material to trigger a holistic immune response in humans. The researchers identified 25% of viral protein fragments that trigger the immune system, which could lead to more effective and powerful vaccines.
The COVID-19 Vaccine Data and Safety Monitoring Board reviewed three formal interim efficacy analyses of trials for Moderna, Janssen, and AstraZeneca. The board's goal is to assure public independence and lack of interference while operating under exceptional conditions.
Researchers have developed two COVID-19 vaccines that elicited durable neutralizing antibody responses to SARS-CoV-2 in pre-clinical research. The Moderna mRNA vaccine and a protein-based vaccine candidate showed strong immunity in infant rhesus macaques, with no adverse effects.
The Southwest National Primate Research Center (SNPRC) has been awarded $37 million from the NIH to house and care for nearly 2,500 non-human primates. The funding will support critical work in finding new treatments and vaccines against infectious diseases.
A recent study found that daily COVID-19 testing in the NFL enabled early detection of infections, even among asymptomatic individuals. The study also revealed disparities in vaccination rates among healthcare workers, with lower rates among Black and Hispanic employees compared to their Asian and White counterparts.
Researchers at Brown University developed a new modeling approach that captures the impact of behavioral components on infectious disease transmission. The model accurately reproduces case rates throughout the pandemic in the US and individual states, providing valuable insights for forecasting future trends and scenarios.
Care home residents over 70 have a delayed and weaker immune response to vaccines compared to younger individuals, making them more susceptible to SARS-CoV-2 infections. This phenomenon has been confirmed by researchers from Charité - Universitätsmedizin Berlin.
Two studies demonstrate the impact of gender-neutral HPV vaccination on overall protection against HRHPV infections, even with low vaccination coverage. In Finland, communities with both boys and girls vaccinated saw a significant decrease in cervical HPV16/18 infections, including among unvaccinated women due to the herd effect.
A survey study among women with breast cancer in Mexico found a high hesitancy rate toward COVID-19 vaccination due to concerns about vaccine safety and efficacy. The study highlights the need for healthcare providers to address these concerns and improve access to vaccination services for this vulnerable population.
Researchers found that a single-shot COVID-19 vaccine generated strong immune responses against all SARS-CoV-2 variants. The study suggests non-neutralizing antibodies and T cell responses may contribute to protection against COVID-19, particularly in regions with variant prevalence.
Experts warn that India's current vaccination approach is causing huge numbers of avoidable deaths and is deeply inequitable. The government's focus on younger age groups has resulted in unequal access to vaccines, with rural areas and disadvantaged urban populations receiving limited coverage.
Scientists at McMaster University have developed a new treatment approach for people suffering from VITT, combining anti-clotting drugs with high doses of intravenous immunoglobulin. The treatment's effectiveness was shown in three Canadian patients who received the AstraZeneca vaccine and developed VITT.
A new study reveals that COVID-19 vaccination leads to strong T cell responses against the virus in all patients on dialysis, and nearly 58% of kidney transplant recipients. However, low antibody responses were observed in kidney transplant recipients, raising concerns about their protection from COVID-19.
Research found that COVID-19 vaccines are safe for patients with inflammatory bowel disease (IBD), who experience chronic digestive symptoms. Most side effects were mild and short-lived, with gastrointestinal issues being the most common. IBD patients on biologic therapies reported even fewer side effects due to the modulating effect o...
A large study found that COVID-19 vaccines induce a strong immune response in patients with various types of cancer, with high seroconversion rates among solid tumor patients. However, those receiving treatments for blood cancers had lower but still significant rates, highlighting the importance of vaccination in vulnerable populations.
The Murdoch Children's Research Institute is conducting a global study to better understand COVID-19 variants and the effectiveness of vaccines in preventing their spread. The BRACE trial, funded by the Bill & Melinda Gates Foundation, investigates biomarkers that indicate protection against COVID-19 infection.
Dr. Katalin Karikó's groundbreaking research on modifying nucleosides in mRNA led to the development of mRNA vaccines with over 94% efficacy against COVID-19. The Vilcek Prize for Excellence recognizes her contributions to science and medicine.
Researchers have developed a technology to manipulate viruses synthetically, allowing for rapid analysis and mapping of new potential virus variants. This innovation enables scientists to mimic natural selection processes safely in a controlled laboratory environment.
A new Northwestern Medicine study found that routine check-ups have several health benefits, including better detection and treatment of chronic illnesses, increased vaccinations and screenings, and improved patient-reported outcomes. These benefits are particularly important for at-risk populations.
A new vaccine called KCONVAC has been shown to be safe and induce antibody production in healthy Chinese adults. The phase 1 and 2 clinical trials demonstrated that the vaccine is well-tolerated and generates a robust immune response, with stronger antibody production seen when participants received their second dose four weeks apart.
A study of UK dental care professionals found that natural infection alone is unlikely to generate meaningful, durable herd immunity, emphasizing the importance of vaccinations. The data also suggest that previous infection with SARS-CoV-2 leads to a faster and stronger immune response following vaccination.
Researchers at ETH Zurich developed a vaccine that guides bacteria's evolution to make them a weaker pathogen, rather than trying to kill them. The combination vaccine was shown to be more effective in preventing Salmonella infections than existing vaccines.
A study of over 1,500 UK dental professionals found 16.3% had SARS-CoV-2 antibodies, highlighting the occupational risk of infection. The study also showed ethnicity was a significant risk factor and that COVID-19 vaccination provided rapid and high antibody responses.
A five-pronged strategy addressing behavioural and socio-demographic factors is proposed to combat vaccine hesitancy. Confidence in vaccine safety is crucial, while addressing complacency among younger people and those of lower socioeconomic status is essential for increased uptake.
A Phase 1/2 clinical trial has begun at the NIH to assess the safety and immunogenicity of different COVID-19 vaccine booster regimens. Participants will receive a single booster dose of the Moderna COVID-19 vaccine, followed by telephone check-ins and in-person follow-up visits for one year.
A mathematical simulation by researchers at UNC Health Care shows that non-pharmaceutical interventions like mask-wearing and physical distancing can help prevent COVID-19 spikes as vaccines are distributed. The study found that widespread vaccine adherence and adherence to precautions can lead to a sustained decline in new cases.
Researchers investigated mRNA vaccination response in Israeli cancer patients. Patients with cancer who received the vaccine showed seropositivity, indicating an immune response against SARS-CoV-2. The study aimed to assess the safety and efficacy of mRNA vaccines in this vulnerable population.
A survey study explores associations between race/ethnicity, medical mistrust and willingness to receive COVID-19 vaccines. The study found that racial/ethnic group-based medical mistrust is a significant factor in vaccine hesitancy.
A comprehensive review suggests that gut microbiota play a crucial role in immune responses to vaccinations. The study aims to improve vaccine effectiveness by understanding the microbiota's impact on B and T cell immune responses.
A new Finnish study reveals pertussis is more prevalent among middle-aged adults in European countries than previously assumed, leading to concerns about underdiagnosed cases. The study also highlights the low levels of antibodies against diphtheria, indicating decreasing herd immunity.
Scientists from Scripps Research have discovered a cross-reactive coronavirus antibody that neutralizes SARS-CoV-1 and other coronaviruses, including those causing the common cold. The finding is a promising development for the eventual development of a pan-coronavirus vaccine.
Researchers developed a DNA vaccine encoding SARS-CoV-2 spike protein, which induced long-lasting antibodies in mice and hamsters. The vaccine showed protective efficacy against COVID-19 infection in hamsters, with no loss of body weight or viral RNA in their lungs.
Researchers analyzed state health department COVID-19 vaccine website accessibility and usability, finding challenges that create frustration and contribute to ineffective vaccination efforts. The study highlights the need for improved accessibility and usability in healthcare websites to promote equitable health outcomes.
A new study by Brigham and Women's Hospital uses an ultrasensitive test to detect circulating antigen in vaccinated individuals, showing a strong immune response. The test found evidence of low viral protein levels followed by antibody production and clearance of proteins from the blood.
Researchers analyzed COVID-19 swab samples from California counties and found the new variant was more transmissible, infecting people who already had COVID-19. Vaccines showed higher neutralization rates against the variant than antibodies from previously infected patients.
A recent investigation by The BMJ found that vaccine advisory committees in the US and UK have different disclosure standards, leaving the public uncertain about experts' industry ties. Experts on these committees rarely disclose conflicts of interest, despite significant financial payments from pharmaceutical companies.
A study using real-world air traffic control data found that vaccination programs alone may not stop the ongoing second wave of COVID-19 infections in the US. Strict social distancing measures remain necessary to prevent a new wave, according to researchers.
A small case series found that vaccination was not linked to worsening symptoms or reduced quality of life in patients with persistent COVID-19 symptoms. The study included 163 patients who received one dose of either Pfizer-BioNTech or Oxford-AstraZeneca vaccine.
A retrospective cohort study found that autonomous cortisol secretion is associated with a 2- to 3-fold increased risk of death and cardiovascular disease in patients with adrenal incidentalomas. Researchers recommend treating known cardiovascular risk factors and incorporating findings into treatment decisions, including surgery.
The University of Illinois Chicago is leading a multi-center collaborative to improve community vaccinations, testing, and engagement in clinical research. The Chicagoland COVID Collaborative aims to bolster COVID-19 vaccine confidence and access among Black and Latino communities.
Research by MSU's Morteza Mahmoudi suggests that Covid-19 vaccines developed with nanomedicine may have different efficacies for men and women due to sex-based differences. The study highlights the importance of considering sex in vaccine development and research, particularly in using nanomedicines.
A new study reveals key details of how SARS-CoV-2 variants escape the immune response created by natural infection or vaccination. The research highlights that several mutations are clustered in one site on the spike protein, disrupting antibody binding and neutralization.
A national study found nearly 90,000 people taking immunosuppressive drugs, including steroids, may have a slower or weaker response to COVID-19 vaccines. Researchers are exploring strategies to improve vaccine efficacy in this vulnerable population.