Articles tagged with Vaccination
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A study by MedUni Vienna found that many cancer patients can build up sufficient immunity against SARS-CoV-2 after the third vaccination. However, patients with blood cancers may not develop protection due to immunosuppressive treatments.
A recent study from Massachusetts General Hospital found that COVID-19 vaccination during pregnancy results in higher and more lasting antibody levels in infants. After two months, 98% of vaccinated infants had detectable IgG antibodies, while only 8% of uninfected mothers' babies did.
Biologists isolated the SARS-CoV-2 nucleoprotein in its pure form to create more accurate antibody tests. The new approach significantly improves sensitivity, increasing the ability to detect antibodies to the nucleoprotein. This breakthrough helps determine if vaccinated individuals have been infected with COVID-19.
A study of 14 high-risk children found that convalescent plasma provided expected antibody levels without safety concerns. The therapy's effectiveness declined over time, highlighting the need for early administration.
A nationwide study in Sweden found that vaccine-induced protection against SARS-CoV-2 infection decreases over time, with most protection lost within seven months. However, protection against severe COVID-19 remains relatively stable, suggesting that booster shots may be necessary to maintain effectiveness.
A nationwide study led by University of Utah Health found that pregnant individuals infected with COVID-19 are about 40% more likely to develop serious complications or die during pregnancy than those who aren't infected. The severity of COVID-19 symptoms was a key indicator of heightened risk of pregnancy complications.
The IEEE forum identified four major challenges to address during the pandemic: healthcare, screening, tracing, and treatment. The panel highlighted socioeconomic and education status as critical factors impacting mortality rates and hospital admission lengths.
A study found that many big box retailers lack Spanish language COVID-19 vaccine resources, hindering access for Hispanic populations. The researchers recommend increasing the visibility of these resources and incorporating non-English materials into public health strategies.
A study published in Big Data & Society urges governments to limit the use of COVID-19 certificates to the current pandemic, citing concerns over data privacy and human rights. The research recommends introducing 'sunset clauses' into relevant legislation to set a clear expiry date for the passes.
Researchers provide cost-effective actions to prevent pandemics, including better surveillance and wildlife management, with estimated annual costs under $20 billion. These 'primary pandemic prevention' actions can help prevent future pandemics and have substantial co-benefits for human health, environment, and economic development.
A new study suggests that implementing primary pandemic prevention actions, such as better surveillance and wildlife management, can reduce the economic costs of emerging infectious diseases by up to 10%. These actions have a substantial co-benefit of preventing carbon dioxide emissions and conserving water supplies.
A study found that three exposures to the SARS-CoV-2 spike protein elicit superior neutralizing immunity against all variants of concern, including Omicron. The immune system's ability to neutralize the virus correlates with antibody binding strength, not just antibody titer.
The first US peer-reviewed study on omicron patient outcomes found significant differences in infection behavior. Ominron patients are significantly younger, have increased vaccine breakthrough rates, and are less likely to be hospitalized compared to patients with alpha or delta variants.
A study published in Risk Analysis found that individuals who endorse libertarianism and anti-egalitarianism attitudes are more likely to disregard COVID-19 risks. This suggests that simply identifying as liberal or conservative may not capture the full scope of political ideology's impact on attitudes toward science issues.
A mathematical modeling study predicts that routine immunization with TCV could avert 46-74% of all typhoid fever cases in 73 countries. Vaccination is also expected to reduce the relative prevalence of antimicrobial-resistant typhoid by 16%, preventing millions of cases and deaths.
Researchers found sublingual immunotherapy with house dust mite extract to be effective in reducing signs and symptoms of atopic dermatitis. The treatment, administered over 18 months, resulted in significant improvements in pruritus and lesions, with rare side effects.
A study at a midwestern university examined the relationship between vaccine coverage and the transmission of SARS-CoV-2 variants during in-person learning. The results showed a correlation between higher vaccination rates and reduced spread of variants, highlighting the effectiveness of vaccines in mitigating COVID-19 transmission.
After California eliminated nonmedical exemptions, homeschooling rates increased among students in kindergarten through 8th grade. The study found a significant rise in homeschooling rates, indicating parents' concerns about vaccine mandates and school policies.
A study published in Nature Communications found that racial and ethnic minorities in the US were up to three times more likely to be unsure or unwilling to get vaccinated compared to whites. Despite lower willingness, minority populations faced unequal access to vaccines in the US due to a fragmented distribution system.
Research suggests a strong link between childhood trauma and vaccine hesitancy, with 3 times higher rates among those who experienced 4 or more trauma types. This is associated with lower trust in health services and increased likelihood of flouting COVID-19 restrictions.
A Northwestern Medicine study found that health care workers' intentions to get vaccinated changed rapidly, influenced by factors such as clear messaging about vaccine safety and convenient access. The study also revealed disparities in vaccination acceptance among different demographics, including gender, race, and occupation.
The Experimental Biology 2022 meeting will feature renowned speakers, including Nobel laureates and research pioneers, who will present the latest findings and trends in life sciences. Keynote presentations include talks on vaccine science, navigation, RNA splicing, pharmacology, and cancer classification.
Researchers at MIT have developed a pill that can deliver RNA to the stomach, potentially making vaccines easier to tolerate and treat gastrointestinal diseases. The capsule is designed to release RNA in the stomach, where it can stimulate an immune response without being degraded by digestive enzymes.
Researchers found that current COVID-19 vaccines provide robust protection against severe disease caused by the Omicron variant through induced cellular immunity. The study showed that CD8+ T cell responses were over 80% cross-reactive with the original strain, suggesting a key role in vaccine protection.
A study of continuous monthly mortality data found that excess deaths associated with COVID-19 reached greater peaks than most other periods of excess deaths since 1918. The relative excess of deaths in 2020 was 12.5% in Switzerland, 8.5% in Sweden, and 17.3% in Spain.
A large real-world study published by Israel's Clalit Research Institute found that parental vaccination with the BNT162b2 vaccine decreased the risk of infection for unvaccinated children by 58.1%, regardless of household size or child age. Vaccination also reduced transmission from infected parents to their unvaccinated children.
A new study found that the Pfizer vaccine was 91% effective in reducing coronavirus transmission in Israeli households before the emergence of the delta variant. However, with waning immunity, the vaccine's effectiveness decreased to only 40% against infection and transmission.
Two observational studies provide reassuring data on menstrual changes after COVID-19 vaccination, finding that any changes are short-lived and small. The studies, which drew from US and Norwegian data, suggest that cycle lengths return to normal by two cycles after vaccination.
A new portable $51 testing kit can provide fast and reliable COVID-19 detection in resource-poor regions, refugee camps, and disaster zones. The non-invasive saliva sampling system uses a technique similar to PCR testing, with costs comparable to commercial tests.
Patients under immunosuppressive therapy have increased risk of severe COVID-19 disease courses if they don't respond to primary vaccination. A recent study found that a third booster vaccination is safe and effective in these patients, who were initially unable to produce antibodies after vaccination.
A large English study found that people hospitalized for COVID-19 are more than twice as likely to die or be readmitted in the next several months compared to the general population. These findings highlight the need for increased monitoring of COVID-19 patients after discharge and raise awareness of potential complications.
A new study finds that breakthrough infections following vaccination and natural infection followed by vaccination provide roughly equal levels of enhanced immune protection. Researchers at OHSU found that both groups generated greater levels of immunity compared to those who were vaccinated with no infection.
Immunosequencing of T cells combined with machine learning techniques reveals that participants with higher numbers of pre-existing memory CD4 T cells develop immunity more quickly and produce more antibodies following vaccination. This study has significant implications for immunity and vaccine development efforts.
A large study has found that COVID-19 vaccination does not affect fertility outcomes in patients undergoing IVF, providing reassurance to those trying to conceive. The study compared rates of fertilization, pregnancy, and early miscarriage in vaccinated and non-vaccinated patients, with no significant differences observed.
A new study reveals the Beta variant of SARS-CoV-2 can elicit a wide range of antibodies effective against both Delta and Omicron variants. The findings suggest that vaccination strategies could be improved by leveraging this broad immunity.
This study examined reports of myocarditis after mRNA-based COVID-19 vaccination, finding a higher risk among younger males. The researchers estimated the risk based on age, sex, and vaccine type, providing valuable insights into the potential side effects of these vaccines.
Researchers at Boston University found no association between COVID-19 vaccination and conception likelihood in female or male partners. However, COVID-19 infection was linked to reduced fertility in men, particularly those testing positive within 60 days of a cycle.
Four COVID-19 vaccines prompt the body to make effective, long-lasting T cells against SARS-CoV-2. These T cells can recognize variants of concern, including Delta and Omicron. Fully vaccinated people have fewer memory B cells and neutralizing antibodies against the Omicron variant.
Researchers found a markedly increased risk of carditis associated with BNT162b2 vaccination, particularly in adolescents after the second dose. The study's findings highlight the need for refined vaccination strategies to balance risk and benefits across different sub-populations.
A recent study found that individuals vaccinated three times or those who were vaccinated after an earlier COVID-19 infection had comparable neutralizing antibody activity to those with a breakthrough case. The study suggests that repeated exposure to SARS-CoV-2 antigens enhances the quality of antibody responses.
A large survey study found an association between moderate depression symptoms and believing COVID-19 vaccine misinformation. The study included over 15,000 respondents and examined the psychological impact of vaccine misinformation on mental health.
Researchers at the University of Missouri identified 46 specific mutations in the Omicron variant that enable it to evade pre-existing antibodies. These mutations are particularly prevalent in the region where antibodies bind to the virus, making them a key target for future antiviral treatments.
A survey of 1,200 US adults reveals COVID-19 vaccine hesitancy decreased more rapidly among Black individuals than white individuals since December 2020. The study suggests a significant decrease in vaccine hesitancy among Black adults, but still higher compared to white adults.
A new study by Yale researchers found that the Sinovac vaccine, widely used in 48 countries, offers little protection against the Omicron variant. Booster shots are necessary to combat the dominant circulating virus, which has shown to produce no neutralizing antibodies among those who received two doses of the Sinovac vaccine.
A new study published in the Journal of the American Medical Association finds that those who received the Moderna COVID-19 mRNA vaccine have a lower risk of experiencing 'breakthrough' COVID-19 cases compared to recipients of the Pfizer-BioNTech mRNA vaccine. The study also found that Moderna recipients were less likely to be hospital...
A study by Mayo Clinic researchers found that cancer patients receiving chemotherapy and targeted therapies may mount inadequate immune responses to COVID-19 vaccination. The authors recommend antibody level testing and booster vaccinations for these patients.
A new study of over 4 million adults in the UK found that people with COVID-19 symptoms are less likely to get tested due to barriers such as mild symptoms, poor knowledge of nearby testing sites, and certain demographic factors. The study suggests that targeted messaging and improved education are needed to increase test uptake.
The project aims to address concerns and dispel misinformation about COVID-19 testing and vaccination among women leaving incarceration. Researchers will use a modular system to deliver education on critical health literacy, meeting the unique needs of this underserved population.
Researchers at Karolinska Institutet found that memory T cells formed after previous infection or mRNA vaccination can still recognize the omicron variant, suggesting protection against severe disease. The study also suggests booster immunization may provide benefits beyond neutralizing antibodies.
A new study has found that children in sub-Saharan Africa who are hospitalized with COVID-19 are dying at a rate far greater than children in the US and Europe. Children under 1 year old had nearly five times the risk of death compared to adolescents aged 15-19 years.
A Brazilian study found a correlation between dealing with COVID-19 and environmental disasters, highlighting the need for improved infrastructure and community resilience. The study also identified a lack of continuity in funding for disaster relief and pandemic response.
A new meta-analysis of COVID-19 vaccine trials found that the placebo effect accounts for more than two-thirds of adverse events, with headache and fatigue being the most common. The study suggests that informing patients about potential side effects could help reduce vaccination hesitancy.
A Rutgers study reveals the professional and personal impact of COVID-19 on Black and Latinx healthcare workers in supportive roles. The findings highlight the critical need for health systems to improve work conditions, including wages, physical demands, and mental well-being, to retain this marginalized workforce.
Climate change sentiments were overwhelmingly pro-human activity action, while vaccine sentiments showed a significant gap between pro and neutral views. The study analyzed 87 million tweets from 2007 to 2016 and found less interaction among users with opposing views on vaccines compared to climate change.
Researchers have detected the Delta variant of SARS-CoV-2 in the blood and placentas of women who experienced stillbirths and serious pregnancy complications. The study found that the virus was widely disseminated, causing severe inflammation of the placenta and leading to stillbirths.
The COVID-19 pandemic poses significant risks to pregnant women and their newborns, particularly due to viral-induced inflammation in the placenta. Studies have linked SARS-CoV-2 infection to adverse pregnancy outcomes, including stillbirth and severe neonatal illness, which may vary with specific circulating variants.
A new study by the University of North Carolina at Chapel Hill suggests that COVID-19 vaccines maintain protection from severe disease nine months after the first shot. Boosters are crucial for older adults, according to lead author Danyu Lin, PhD.
A potential vaccine stimulating skin antioxidant production may help prevent skin cancer. Researchers at Oregon State University have identified TR1, a protein critical to the skin's antioxidant network, as a key target for this approach.
A simulation model estimated a nearly half reduction in total hospitalizations and deaths following the US COVID-19 vaccination program. The study suggests a significant association between vaccination and improved health outcomes during the first six months of 2021.
A new study found that older Europeans who underestimate their health are more likely to adapt their behavior in response to COVID-19 concerns. This group may face increased social isolation and feelings of loneliness as a result.