Articles tagged with Vaccination
A new study found that individuals high in grandiose and vulnerable narcissism are less likely to wear masks or get vaccinated. However, those who do choose to participate may be more likely to encourage others to do so. Researchers suggest using unique messaging strategies to tap into these personalities.
Researchers found antibody levels in people with severe obesity are significantly lower than normal weight controls after receiving two doses of either the Pfizer/BioNTech or CoronaVac vaccine. The study suggests that individuals with severe obesity may generate a weaker immune response to COVID-19 vaccination.
A new study reveals that racial discrimination in medical settings can lead to low confidence in the health system and increased vaccine refusal among ethnic minority groups. The research found that nearly one in ten participants who refused a COVID-19 vaccine reported experiencing poorer service due to their race or ethnicity.
A COVID vaccine designed for oral administration neutralizes the SARS-CoV-2 virus in mucosal tissues, limiting infections and airborne transmission. The study found vaccinated hamsters were less symptomatic and shed fewer viral particles after exposure.
A study found that vaccines induce immune responses beyond neutralizing antibodies, involving T cells and the Fc receptor, to control viral replication and prevent severe disease. The researchers observed dose-dependent effects on these immune mechanisms, providing insights for future vaccine design and boosting.
A study involving hypothetical COVID-19 vaccines found that effectiveness and risk of side effects significantly influence people's vaccine preferences. The attributes of actual vaccines may not be as crucial for those already open to vaccinations.
The 100-year-old BCG vaccine has been found to protect newborns and young infants against multiple bacterial and viral infections, including COVID-19. The study identified changes in metabolite and lipid profiles that correlate with innate immune system responses.
A recent study found that 78.3% of autistic adults in Pennsylvania reported receiving or intending to get a COVID-19 vaccine, compared to 42% of overall adults. The research identified key factors driving vaccine acceptance and hesitancy, such as feelings of increased loneliness and concerns about vaccine safety.
State bans on affirmative action policies are associated with lower enrollment of underrepresented minority students in public medical schools. The study found a 5.5 percentage point decrease in enrollment of underrepresented students relative to control schools.
A workplace-based guaranteed financial incentive of $1,000 significantly increased COVID-19 vaccine uptake among employees at a US company. The study suggests that such incentives can be an effective strategy to improve vaccination rates.
A study across eight European countries found that conventional vaccination campaign messages are ineffective due to factors like low health literacy and conspiracy theories. The research suggests a need for targeted messaging strategies tailored to specific groups and communication channels.
A study from the University of Illinois Chicago explores key themes and topics from COVID-19 vaccine-related tweets, identifying changes in public attitudes towards vaccination and concerns about effectiveness. The research provides insights for policymakers to frame policies and programs to accelerate vaccine uptake.
A new study by Weill Cornell Medicine investigators found that adult vaccination rates and social determinants of health impacted children's mental health during the pandemic. Stress surrounding the pandemic decreased in children after vaccinations were rolled out for adults in December 2020.
A recent study found that COVID-19 vaccination significantly reduces the risk of infection, hospitalization, and death among heart transplant recipients. The study, published in JAMA Cardiology, compared vaccinated and unvaccinated patients at a single center and showed a notable difference in outcomes.
A study of over 15 million COVID-19 vaccine doses found a potential link between vaccination and the development of Guillain-Barré Syndrome, a rare autoimmune disorder. The research assessed the risk of GBS after vaccination with Janssen, Pfizer-BioNTech or Moderna COVID-19 vaccines.
A study found that 98.7% of pregnant Californians surveyed were aware of COVID-19 vaccines, but over half were hesitant to receive them due to a lack of information. The most common reason for hesitation was uncertainty about the vaccine's effect on pregnancy and fetal development.
A new study published in the Canadian Medical Association Journal found that unvaccinated individuals pose a significant risk to vaccinated people, even when vaccination rates are high. The research suggests that mixing between unvaccinated and vaccinated populations can lead to substantial new infections among the vaccinated.
A Belgian study assessed the risk factors of breakthrough COVID-19 infections in fully vaccinated people, finding mRNA vaccines offered greater protection than viral vector jabs. Breakthrough infections were more common in those who received viral vector vaccines, while prior Covid infection and vaccination provided added protection.
A new study from Boston Medical Center found that COVID-19 infection during pregnancy is associated with elevated inflammatory markers in infants, potentially impacting growth and brain development. Researchers emphasize the importance of COVID-19 vaccinations for pregnant women to avoid long-term adverse consequences for their infant.
A study of over 20,000 Canadian adults hospitalised with COVID-19 found that vaccination significantly lowers the risk of ICU admission and death. Vaccination with one, two, or three doses reduced the likelihood of ICU admission by 34% and odds of dying by 22%.
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 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 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.
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 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.
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 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.
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.
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.
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.
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 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.
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 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 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.
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.
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.