Research on vaccines and immunization. Covers COVID and flu vaccines, outbreak response, long-lasting antibodies, and vaccination in vulnerable groups.
Researchers analyzed 60 billion tweets to understand vaccine hesitancy on social media. They found that anti-vaxxer profiles often share links to YouTube videos and commercial sites selling alternative health products, highlighting the spread of misinformation in echo chambers.
New study reveals that T-cell responses against the SARS-CoV-2 spike protein can predict protection against infection. In healthy individuals, T cells with a specific cytokine profile offered immunity against COVID-19. In contrast, cancer patients showed lower T-cell responses and increased susceptibility to infection.
Researchers from Florida Atlantic University advise against prescribing ivermectin to treat or prevent COVID-19 due to the lack of reliable evidence. They emphasize the importance of relying on proven therapeutic innovations and vaccinations to combat the pandemic, citing the risks of unproven treatments like ivermectin.
Researchers have discovered that messenger RNA can be used to regenerate bone at low doses, producing high-quality tissue with no side effects. The new method is superior to existing treatments and may not require repeat doses.
Researchers have created a new type of cholera vaccine consisting of polysaccharides displayed on virus-like particles, generating long-lasting antibody responses in mice. The vaccine shows promise as a next-generation cholera vaccine, potentially replacing current vaccines that last only 2-5 years.
Researchers analyzed over 1.5 million SARS-CoV-2 genome sequences to understand the evolution of the virus, finding that increased infectivity is a driving force behind its spread. The omicron variant is predicted to compromise current vaccines and therapies, highlighting the need for new generation of vaccines and monoclonal antibodies.
A VA research team found increased risks of mental health disorders, including depression, anxiety, and sleep disorders, in individuals who had COVID-19 infection. The study analyzed medical records of nearly 154,000 patients with COVID-19 and compared them to over 11 million people without COVID-19.
A new study finds that COVID-19 vaccination is associated with statistically significant declines in multiple psychological distress factors. Vaccination was linked to reductions in perceived risks of infection, hospitalization, and death, as well as improvements in mental health and quality of life.
A new study by University of Houston sociologist Kathryn Freeman Anderson reveals significant disparities in the initial COVID-19 vaccine rollout in five urban Texas counties. The research found that Black and Latino neighborhoods were less likely to receive vaccines due to existing healthcare resource shortages.
Researchers tracked antibody response to COVID-19 vaccination and found that antibodies improve in quality for months after vaccination. Even low levels of antibodies provide some protection as long as the virus doesn't change.
A new study found COVID-19 hotspots in Canadian cities are concentrated along social determinants of health, including visible minority status. Prioritizing public health supports to specific neighborhoods can help curb transmission and improve pandemic response.
A global study highlights inadequate information from healthcare professionals and lack of sensitivity leading to child vaccine hesitancy. Expectant parents are seeking alternative sources due to concerns about adverse reactions and long-term side effects, with some fearing measles as a minor childhood illness.
A Kaiser Permanente study found that a third dose of the Pfizer-BioNTech COVID-19 vaccine significantly improved protection against severe disease, hospitalization, and death. The study's results suggest that three doses of the vaccine provide greater benefit than two doses in preventing these outcomes.
Researchers assessed the link between primary care physicians per capita and COVID-19 vaccination rates among U.S. counties, finding a positive correlation. The study suggests that areas with more primary care physicians tend to have higher vaccination rates, potentially due to increased access to healthcare services.
A large population-based study found that newborns of vaccinated women have similar outcomes as those of unvaccinated women. The observational design limits the interpretation of the findings, suggesting further research is needed.
A study found that previous COVID-19 infection improves the performance of antibodies and potentially provides longer-term protection, especially in obese individuals. In contrast, vaccination does not enhance antibody quality and may not provide sustained immunity in those who have been previously infected or overweight.
A study analyzed the association between vaccination rates and new COVID-19 infections in US counties from July to August 2021, finding a positive correlation between higher vaccination rates and lower new infection rates. The analysis used data from over 3,000 counties and shed light on the impact of vaccination on pandemic trends.
A recent study published in Vaccines found that the proportion of women reporting side-effects after Pfizer vaccinations is almost twice that of men. The highest frequencies of side-effects were reported after the second vaccination, with pain in the entire arm and weakness being notable examples.
A survey of over 1,100 people in the US found that lack of COVID-19 testing availability increases intentions for risky behavior, potentially leading to increased transmission. Participants with negative tests showed greater intention to engage in behaviors facilitating viral transmission.
Researchers developed a computational model that simulates COVID-19 transmission and forecasts case numbers & hospitalizations. The model incorporates various factors such as vaccination rates, mask use, lockdowns, and breakthrough infections to predict the spread of variants.
The World Health Organization's (WHO) initiative to scale up African production of life-saving vaccines is being undermined by pharmaceutical companies. Documents obtained by The BMJ reveal that BioNtech's kENUP Foundation has accused the WHO's technology transfer hub of infringing on patents.
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 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 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 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.
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.
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.
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.
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 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.
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 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.
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 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.
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.
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.
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.
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.
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.
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.