Articles tagged with Vaccination
Researchers developed a mathematical model to predict how antibodies generated by COVID-19 vaccines confer protection against symptomatic infections. The study found that vaccine efficacy is linked to the level of neutralization titre and could enable testing of future vaccines before clinical trials.
Researchers found that some painkillers and fever medications may help fight infection, while others can weaken the immune system. The review highlights the need for more studies on the impact of these medicines on infectious diseases.
Mutations in SARS-CoV-2's spike protein can resist neutralizing antibodies and therapeutics, highlighting the need for improved vaccines and treatments. The study mapped out these 'escape variants' to understand their molecular mechanisms.
Research reveals SARS-CoV-2 can have multiple variants in one person, with some hiding in specific cells like kidneys or spleens. This can make complete virus clearance more difficult, as the body struggles to defend against dominant strains.
A study evaluated COVID-19 vaccine mandates for US states, revealing differences between schools and childcare settings. The results show varying levels of vaccination requirements among states, impacting healthcare professionals.
A new study from Oregon Health & Science University found that people infected with SARS-CoV-2 develop durable immunity against variants for at least 11 months. The research suggests that immune protection may endure long-term, potentially reducing the need for vaccine booster shots.
A new study from Washington State University finds that people with a strong desire to travel are more likely to get vaccinated against COVID-19. The research also reveals that emotional appeals and loss-based messaging can be effective in changing vaccine intentions.
A study analyzing 185 million COVID-19 vaccine doses found no connection between vaccination and sudden sensorineural hearing loss. The results indicate that vaccination is not associated with the development of this condition.
The WHO European Region has seen significant success in diphtheria immunization, with high coverage rates and only a few reported cases. However, suboptimal surveillance systems and inadequate laboratory capacity may contribute to the persistence of sporadic cases.
A recent study published in Acta Obstetricia et Gynecologica Scandinavica has found that severe COVID-19 in pregnancy is associated with a higher risk of adverse outcomes, including preterm birth and stillbirths. The research highlights the importance of vaccination against severe disease to protect both mothers and babies.
A study of 2.6 million patients in Israel suggests a possible association between the Pfizer-BioNTech COVID-19 vaccine and sudden sensorineural hearing loss. The effect size is very small, indicating that further research is needed to confirm this potential link.
Researchers tracked a Mongolian gazelle traveling over 18,000 km, while new studies on raccoon movement inform improved vaccination strategies against wildlife disease. In contrast, urban bird species exhibit varying body weights and lifespans based on city characteristics.
A University of Ottawa group is conducting research to equip healthcare professionals with resources to aid patients in French-speaking minority settings make informed decisions about COVID-19 vaccines. The project aims to address language barriers and combat patient disinformation.
A Kaiser Permanente study published in Nature Medicine found that three doses of the Moderna COVID-19 vaccine were highly effective against hospitalization caused by infection from either the omicron or delta variant. The research suggests that third doses may be needed sooner than previously thought to protect against omicron infectio...
An analysis of pre-Omicron data found that COVID-19 vaccines retain nearly all their ability to prevent severe disease up to six months after full vaccination. Protection against severe COVID-19 dropped by an average of 10 percentage points over the same interval.
A study by MedUni Vienna found that dual-vaccinated and recovered individuals have virtually no protection against infection with the current Omicron variant of SARS-CoV-2. However, a third Corona vaccination provides partial blockade of Omicron.
Experts recommend individualised multidisciplinary risk assessment for patients requiring elective surgery within 7 weeks of SARS-CoV-2 infection, considering baseline mortality risk calculation and surgical factors. Patients with persistent symptoms or moderate to severe COVID-19 may require longer delays than 7 weeks.
Two studies found a slight increase in the risk of intracranial thrombosis events following AstraZeneca vaccination. The risks were higher in people under 70 years old, with an estimated excess risk of 0.9–3 per million.
A study published in The Lancet Child & Adolescent Health found that reported cases of multi-system inflammatory syndrome (MIS-C) in children and adolescents who had received at least one COVID-19 vaccine dose were rare. Only one case was estimated per million vaccinated individuals in this age group, according to the CDC.
A systematic review and meta-analysis found that the risk of immediate allergic reactions to a second dose of SARS-CoV-2 mRNA vaccines is low among patients who experienced an immediate allergic reaction to their first dose. The study included 1,366 patients and showed no significant increase in severe immediate reactions or anaphylaxis.
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 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.
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.
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.
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 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 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.
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.
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.
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 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.
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.