Articles tagged with Vaccination
Aled Edwards emphasizes the importance of basic and applied research in developing effective COVID-19 vaccines. He also stresses the need for better vaccination implementation, increased global access to vaccines, and a cultural shift towards viewing access to new medicines as a right rather than an asset.
A study of California state prison staff found that COVID-19 vaccination rates were lower among workers compared to incarcerated individuals, resulting in increased risks of further outbreaks. The plateaued vaccination rates posed significant concerns for continued transmission from prisons to surrounding communities.
Research team finds mutations leading to omicron variant don't affect immune response in people with pre-existing immunity. This suggests individuals who were previously infected or vaccinated may still be protected against breakthrough infections, but humoral immunity may fail.
Researchers at UC Santa Cruz confirm their bioengineered RSV protein vaccine stimulates a stronger antibody response than the native G protein. The engineered protein is recognized by human RSV-fighting antibodies and may lead to an effective vaccine for severe respiratory disease in children and the elderly.
A new study from the University of Toronto reveals that immigrants are twice as likely to fear being targeted of stigma during the COVID-19 pandemic in Canada compared to Canadian-born residents. Additionally, migrants expressed greater health concerns related to vaccines and accessing healthcare during the early days of the pandemic.
A Washington State University survey found that 16% of couples in the US are divided on COVID-19 vaccination, with discordant relationships accounting for 15.63% of respondents. The study reveals varying reasons for vaccine refusal, including religious and personal objections.
A Moffitt study found that COVID-19 vaccination led to seroconversion in most cancer patients, but with differing antibody response rates among various cancer types and treatments. Patients with blood cancers had lower seroconversion rates compared to those with solid tumors, highlighting the need for personalized immune responses.
Researchers at West Virginia University are using machine learning and geographic information systems to identify areas with low COVID-vaccine uptake. They aim to pinpoint counties with increased risk of outbreaks, predict where testing is most crucial, and develop targeted interventions to increase testing rates. By acknowledging comm...
A study published in JASN found that COVID-19 vaccination significantly protected individuals with kidney failure undergoing dialysis against SARS-CoV-2 infection and severe COVID-19. Vaccination reduced the risk of hospitalization by 52% and mortality rate by 10% compared to unvaccinated individuals.
A large US study found that three doses of mRNA vaccines are necessary to achieve similar protection against the omicron variant as two doses provide against delta and alpha variants. The study also showed that vaccinated patients with omicron were at risk of critical illness and death.
A new study published in BMJ Evidence-Based Medicine found that vaccines are most effective when distributed in areas with the highest baseline risks. The researchers used absolute risk reduction to guide the equitable distribution of COVID-19 vaccines, prioritizing counties and states with lower numbers needed to vaccinate (NNV).
A study published in the American Heart Association's Circulation journal found that people with congenital heart defects who contracted COVID-19 were more likely to require intensive care or need a ventilator. The risk of severe illness was higher among those with additional health conditions, older adults, and men.
A large US study found that 92% of reported adverse events following mRNA COVID-19 vaccination were non-serious, with most side effects being mild and decreasing substantially after one day. The study also found that less than 1% of participants reported seeking medical care after vaccination.
Researchers found that mRNA vaccines lose effectiveness against all three Omicron subvariants, BA.1, BA.1.1, and BA.2, while only bebtelovimab remains effective as a treatment. The study highlights the need for booster shots to sustain immunity.
The Cancer Prevention & Research Institute of Texas has awarded a grant extension to Dr. Rakhshanda Rahman, allowing her to provide no-cost mammograms and Pap smears to underinsured and uninsured women in the Permian Basin. The program aims to address high cervical cancer incidence and mortality rates in West Texas.
The case study examines Rutgers' comprehensive universitywide plan, leveraging internal expertise to develop a swift and effective response. The university required vaccinations for students, promoting resilience and community, and demonstrated the role institutions can play in addressing significant issues.
Researchers discover unique glycoprotein structure of Nipah and Hendra viruses, which could provide blueprint for vaccine design and antibody treatments. The findings suggest a multi-pronged approach to prevent and treat these deadly illnesses.
A new study found that cervical cancer incidence is increasing in low-income US counties, while plateauing in high-income counties. The study analyzed data from 2000 to 2018 and estimated trends by county-level household income and smoking prevalence.
A study evaluating Pfizer/BioNTech COVID-19 vaccine effectiveness found significant protection against SARS-CoV-2 infection in adolescents. The vaccine was administered in two doses to 542 participants between 12 and 18 years old, demonstrating high efficacy.
A single-center study found that trauma patients were less likely to be vaccinated against COVID-19, even as vaccines became more widely available. The study suggests that trauma centers can play a crucial role in introducing the vaccination conversation with high-risk patients.
A study used data from 1.3 million adults to compare the effectiveness of full vaccination with the Janssen and Pfizer-BioNTech vaccines against COVID-19-related hospitalization rates. The results showed that Janssen vaccine was associated with a lower risk of hospitalization compared to Pfizer-BioNTech.
A Washington State University study suggests that partisan media exposure and pre-existing attitudes play a significant role in COVID-19 vaccine hesitancy. The findings indicate that individuals with positive vaccine attitudes and lower conservative media consumption are more likely to have higher vaccine intention.
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.
Researchers found that two-dose mRNA vaccines against the original and early variants of the SARS-CoV-2 virus offer little to no protection against the omicron variant. A third COVID-19 mRNA vaccine booster shot, however, enhances immune response and provides comparable protection to the delta variant.
A team led by City University of Hong Kong researcher Dr Zhang Qingpeng found that donating 46% to 80% of COVID-19 vaccines to low- and middle-income countries can significantly reduce infection rates and mortality. The study suggests prioritizing vaccines for countries with high incidence, prevalence, and mortality rates.
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.
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 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 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 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 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 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 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 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 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 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.
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 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 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.
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.
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 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.