A population-wide study in Chile shows that a mix-and-match approach to booster vaccination provides the best protection against COVID-19. The study found that heterologous booster vaccines, such as Pfizer-BioNTech or Astra Zeneca, were more effective than using the same vaccine for all three doses.
A third of healthcare workers took sick leave after receiving the COVID-19 vaccine, with average length of sick leave being two days. The study found that those given mRNA jabs were most likely to take sick leave after their second or third dose.
A recent study published in JAMA Network Open estimates that COVID-19 vaccination in California resulted in significant public health impacts, preventing over 1.5 million cases and 72,000 hospitalizations. The study also found that vaccination led to 19,000 deaths during the first 10 months of vaccination.
A study of 280 IVF patients found that COVID-19 vaccination has no effect on IVF cycle stimulation characteristics or clinical outcomes. The study, published in JAMA Network Open, suggests that vaccination is safe for patients undergoing IVF treatments.
A recent study by Kaiser Permanente found that the Pfizer COVID-19 third dose vaccine provides strong protection against hospital admissions and emergency department visits in the first few months. However, this protection wanes over time, even after a third dose, against omicron variants.
A longer interval between COVID-19 vaccine doses can significantly increase antibody production in naive individuals, with effects observed in younger participants. However, the impact of dosing interval on antibody levels in those with previous infection is minimal.
Researchers found a 1000-fold increase in skin microbiota and larger lesions after smallpox vaccination, but all groups had equal protection from re-infection. The study suggests that manipulating commensal skin microbiota might enhance the efficacy of intradermal vaccines.
Researchers used symptom data from over 10 million participants to estimate regional COVID-19 prevalence and predict hospital admissions. The findings confirm previous reports that symptoms are related to community infection rates, providing a scalable tool for pandemic preparedness.
A large-scale study found a link between SARS-CoV-2 mRNA vaccinations and an increased risk of myocarditis, particularly among younger individuals. The study, published in JAMA Cardiology, analyzed data from Denmark, Finland, Norway, and Sweden.
The study found that vaccination with the Pfizer-BioNTech mRNA COVID-19 vaccine reduced the risk of COVID-19-associated hospitalizations in children ages 5–11 years and adolescents ages 12–18 years by two-thirds during the Omicron period. Protection against critical COVID-19 requiring life-supporting interventions remained high in vacc...
A recent study found that older adults who received a booster dose of the Pfizer-BioNTech COVID-19 vaccine experienced short-term adverse events. The study assessed over 60,000 participants aged 60 or older in Israel and reported various side effects including fatigue, headache, and muscle pain.
A study of 48,000 individuals found that third-dose vaccination against SARS-CoV-2 with mRNA vaccines was associated with increased reporting of low-severity adverse events. However, there was no significant increase in the reporting of severe adverse events.
A study of 263,000 fully vaccinated Veterans Affairs patients found an association between psychiatric disorder diagnoses and increased incidence of SARS-CoV-2 breakthrough infections. The findings suggest that individuals with pre-existing psychiatric conditions may be more susceptible to severe COVID-19 outcomes.
Researchers found that vaccination greatly reduces the infectious viral load caused by COVID-19 variants Delta and Omicron. However, boosted individuals showed a significant reduction in viral load compared to unvaccinated people. The study highlights the importance of updated knowledge for combating new variants.
A recent study examined COVID-19 vaccine attitudes among pregnant women, finding associations with maternal anxiety, trust in healthcare providers, and socioeconomic status. The research provides valuable information for healthcare providers and policymakers seeking to improve vaccination rates during pregnancy.
Researchers have found that the meningococcal B vaccine is 33% effective against gonorrhoea in adolescents and young adults. The study aims to reduce not only gonorrhoea infection but also its long-term effects, such as infertility and blindness in babies born to infected mothers.
A recent study found that the Omicron variant is associated with a significant increase in breakthrough infections among cancer patients, especially those undergoing treatment. Protective measures and vaccine adaptations are crucial to mitigate this risk.
This analysis examines the association between COVID-19 vaccination prioritization policies and incarcerated individual vaccination rates. The study found that policies favoring certain groups led to significantly lower vaccination rates among incarcerated populations.
A new peptide-based vaccine, CoVac-1, has been shown to induce a T cell-dependent response in 93% of patients with B-cell deficiencies, including those with leukemia and lymphoma. The vaccine's T cell immunity exceeds that of individuals without immune deficiency or those who have received standard COVID-19 vaccines.
Researchers at Rutgers University propose a new approach to COVID-19 vaccine testing by combining conventional and challenge trials. This parallel approach, called Combining Conventional and Challenge trials (CCC), aims to facilitate faster and more accurate vaccine assessment and more effective pandemic response.
A recent study found that most older adults in Canada are willing to receive a COVID-19 vaccine, with only a small percentage expressing hesitation. Factors such as safety concerns and previous flu shot history played a significant role in determining willingness.
A survey study found that full FDA approval of the Pfizer-BioNTech COVID-19 vaccine had little immediate impact on vaccination intentions among unvaccinated US adults. The results suggest a lack of urgency or fear driving vaccine hesitancy, instead pointing to concerns over vaccine efficacy and side effects.
A randomized controlled trial of 2,275 women in Kenya found a single dose of the human papillomavirus (HPV) vaccine to be highly effective. The study results support the adoption of a single-dose HPV vaccination, which could increase accessibility in low- and middle-income countries.
Researchers developed innovative smart sensors to test new vaccines, revealing significant discrepancies between subjective self-reports and objective measurements. The study found that side effects escalate over the first 48 hours and then stabilize, with parameters returning to pre-vaccination levels.
Researchers used network science to distinguish between viruses that can infect human cells and those that cannot. They identified a region on the virus spike protein critical for cell infection, which could inform vaccine development.
Scientists are working on understanding the interplay between flaviviruses and mitochondria in hopes of finding new treatment options. By deciphering this process, researchers may be able to find broad-spectrum therapeutic targets for diseases like Zika, dengue, and West Nile.
A new study using 50 years of data from the University of Otago's Dunedin Multidisciplinary Health & Development Study found that vaccine resistance is linked to adverse childhood experiences. The research suggests that individuals who develop a history of mistrust during childhood are more likely to become resistant to vaccinations.
A new study published in PLOS ONE found that short, specific video messages can effectively reduce COVID-19 vaccine hesitancy even among skeptical individuals. The researchers used video-based interventions to nudge vaccination intentions and found significant reductions in hesitancy.
The study found a significant increase in COVID-19 vaccinations after the Pfizer-BioNTech vaccine received full FDA approval in August 2021. Researchers observed improved vaccination rates among US adults, highlighting the impact of full approval on vaccination uptake.
A third dose of COVID-19 vaccine significantly increases immune responses in patients with multiple myeloma, but a subset remains vulnerable. The study found that 88% of patients developed antibodies after the third dose, leading to improved neutralization of the wild-type virus.
A new study from Brown University's Policy Lab found that text-message vaccination campaigns work better when sent early, as all state residents ages 16 and up had been eligible for a shot four weeks before the campaign. Despite this, the messages' ineffectiveness was due to poor timing rather than the content.
Researchers found a significant decline in in-hospital mortality and secondary endpoints for STEMI patients with COVID-19 in 2021 compared to 2020. Vaccination status showed zero hospital deaths among vaccinated patients, while unvaccinated patients experienced high death rates.
A recent study evaluated the association between COVID-19 vaccination during early pregnancy and major fetal structural anomalies identified on ultrasonography. The results suggest that pregnant women who receive COVID-19 vaccines may be at a slightly higher risk of having a child with congenital fetal anomalies.
A new tool, SPARCLD, speeds up the development of vaccines and pharmaceutical products by accelerating synthesis and analysis on a nano scale. This breakthrough method allows for the creation of 40,000 different molecules in an area smaller than a pinhead, reducing material, energy, and economic costs.
A new study reveals that people who are resistant to vaccines often had adverse childhood experiences, including abuse and neglect. These early traumas can lead to a legacy of mistrust, causing individuals to view institutions and authority figures with skepticism.
A study using the nation's largest COVID-19 data resource found that the vaccine protects most cancer patients from getting COVID, but those with certain types of cancer have a higher risk of breakthrough infections. The research also highlights the importance of continued vaccination efforts to protect cancer patients.
A new Northwestern Medicine study has found that the COVID-19 vaccine is not associated with birth defects that are detectable on ultrasound. The study analyzed electronic medical records from a cohort of 3,156 pregnant people who received at least one vaccine dose and found no increased risk of major fetal structural anomalies.
Researchers from North Carolina State University have released a dataset providing detailed information on COVID-19 vaccine shipments and wastage across the US. The data aims to inform modeling and decision-making to optimize vaccine supply chains.
A new study reports breakthrough bleeding and other period symptoms in non-menstruating individuals after COVID-19 vaccination, highlighting the need to include gender-diverse people in vaccine research. The study found that one-third of respondents reported breakthrough bleeding, with some experiencing significant mental health impacts.
Scientists have discovered a shapeshifting volcano virus with remarkable properties that let it alter its shape. This finding could lead to new ways to deliver drugs and vaccines, with implications for understanding how viruses evolved and potentially creating new technologies.
The SAVE program, a NIH initiative, provides real-time risk assessment of SARS-CoV-2 variants on immune protection. It uses a coordinated approach to identify and curate data about these variants, their impact on immunity, and their effects on vaccine protection.
Low MMR vaccine uptake is being blamed for a decline in protective immunity, with only 95% coverage needed to prevent outbreaks. Experts urge parents and healthcare professionals to improve awareness and uptake of the vaccine.
A national study published in The New England Journal of Medicine found that COVID vaccination reduced hospitalizations with Omicron and Delta viruses in children aged 12-18. Vaccination also prevented severe illness in this age group, as well as critical illness in younger children.
The COVID-19 pandemic has highlighted the need for equitable access to vaccines and medicines. Mohga Kamal-Yanni argues that waiving intellectual property rules can help share knowledge and technology, ensuring universal access. In contrast, Thomas Cueni emphasizes the importance of financial incentives for biopharmaceutical innovation.
A group of medical students from NUS Yong Loo Lin School of Medicine conducted a meta-analysis on the efficacy of COVID-19 vaccines in immunocompromised patients. They found that immunocompromised patients produced significantly lower antibodies after vaccination, with only a third achieving seroconversion after two doses.
A new study by researchers from the Annenberg Public Policy Center finds that exposure to alternative health media can affect beliefs about consequential health-care issues like vaccination. After Dr. Mehmet Oz endorsed the MMR (measles-mumps-rubella) vaccine on a March 2019 episode of “The Dr. Oz Show,” significantly more people in hi...
A study found that people in Germany and the US prioritize equal access to COVID-19 vaccines worldwide. In contrast, vaccine distribution according to a country's production capacity or free market regulation received little support. The research highlights the public's willingness to share vaccines despite logistical challenges.
A long-term cohort study in Israel found that antibody levels dropped seven to nine months after the second dose, but increased tenfold with a booster shot. The study suggests individuals with hybrid immunity also require subsequent boosters beyond two initial doses.
Researchers analyzed nearly 100,000 pregnancies and found no association between COVID-19 vaccination and poor birth outcomes. The study provides further evidence on the safety of mRNA vaccines for pregnant individuals.
The Experimental Biology (EB) 2022 meeting features live presentations and a moderated Q&A session on groundbreaking studies. The virtual press conference reveals potential treatments for Parkinson's disease, COVID-19 vaccine-associated side effects, and alleviating food allergies.
A large-scale registry study found no association between COVID-19 vaccination during pregnancy and increased risk of preterm birth, growth retardation, or neonatal care. Vaccination was associated with a slightly lower risk of neonatal care and provided protection against COVID-19 for the newborn.
Researchers found that people who had COVID-19 and then got vaccinated generated an immune response more specific to fighting viral infections, producing a broader antibody response. This hybrid immunity also produced a cellular immune response called Th1 response, which is antiviral.
A recent study published in Vaccine found that nearly 90% of healthcare workers accepted COVID-19 vaccines, particularly those serving immigrant communities. The researchers highlight the importance of education and interpersonal communication in influencing vaccine decisions.
A new model suggests that antibodies select antigens based on their surface characteristics, similar to a child playing on stepping stones. The researchers used DNA origami to simulate the behavior of antibodies and found that they tend to favor closer antigen distances.
A University of Gothenburg study found that IgA antibodies present in the respiratory tract protected healthcare workers from contracting COVID-19. The research, published in the European Journal of Immunology, suggests that these antibodies may play a crucial role in preventing severe illness and hospitalization.
Researchers synthesized 46 reports on mass vaccination clinics to offer guidance on planning, logistics, and human resources. Key findings highlight the importance of strong recommendations from healthcare providers in improving vaccine uptake and confidence.
A new study finds that clinics supporting patients throughout the entire FIT process improve return rates and reduce colorectal cancer-related illness. Additionally, a telephone survey for dementia detection shows promise as a low-cost diagnostic tool, especially in primary care settings.
A team of Canadian scientists developed a scalable serology assay to track COVID-19 antibodies, informing public health decisions and vaccine timing. The assay has been used in over 30 studies across Canada, capturing natural infection and vaccination responses with high accuracy.
Scientists at Albert Einstein College of Medicine have developed a novel therapeutic strategy that uses bacteria to deliver tetanus toxin into pancreatic tumor cells, inducing an immune response and killing the cancer. The treatment has shown promise in reducing cancer metastases by 87% and increasing mouse lifespan by 40%.
A study published in Breastfeeding Medicine found that COVID-19 vaccination was safe for nursing mothers and their breastfed infants, with most symptoms reported being mild. The investigation did not reveal any significant increase in adverse events or complications attributed to the vaccine.