Articles tagged with Vaccination
A recent study found that rural counties in the US experienced higher mortality rates during the Omicron wave of COVID-19, particularly among unvaccinated patients. Vaccination coverage was a significant factor in reducing patient outcomes.
Researchers found a potential association between COVID-19 vaccines and an increased risk of coagulation disorders and coronary artery disease events. The study analyzed data from Norway, Finland, and Denmark to investigate this connection.
Researchers developed a rapid blood assay that measures the magnitude and duration of immunity to SARS-CoV-2, allowing large-scale monitoring of population immunity. The test takes less than 24 hours to perform and is scalable to use broadly in the population.
A randomized clinical trial involving 16,000 participants found that receiving text messages had no significant impact on COVID-19 vaccination rates compared to telephone calls. The study suggests that alternative communication methods may be more effective in promoting vaccine uptake.
A new analysis suggests expanding COVID-19 vaccine delivery to low-income countries would save hundreds of thousands of lives and be cost-effective. The study found that achieving 60% vaccination coverage in these countries could prevent up to 68 million infections and 160,000 deaths.
Both Moderna and Pfizer COVID-19 vaccines have a low risk of adverse events over a 38-week period. The study found rare adverse events after both vaccines, particularly when compared to the health risks driven by SARS-CoV-2 infection.
Researchers analyzed data from 433,000 veterans to assess vaccine side effects over 38 weeks. The study found no significant differences in adverse event risk between the two vaccines.
A polio outbreak risk has been heightened in western Ukraine due to the reintroduction of wild-type poliovirus and low immunization rates. The situation has worsened with the COVID-19 pandemic, ongoing war, and healthcare reforms, leading to a public health emergency declaration.
A new study presented at ENDO 2022 found that inactivated and mRNA COVID-19 vaccines do not cause significant fluctuations in thyroid function or increase the risk of emergency department visits among patients treated for hypothyroidism. The research suggests that these vaccines can be a safe option for this vulnerable population.
A UVA researcher is using a harmless amoeba to develop an innovative treatment for deadly C. difficile infections in young children. The approach has the potential to deliver specific antibodies directly to the gut, reducing the need for antibiotics and addressing a growing public health threat.
A new preclinical study by Weill Cornell Medicine researchers shows that naturally-produced IgG antibodies in breast milk can protect infants from infection-induced diarrheal illness. These antibodies enhance infant immunity against bacterial pathogens causing gastrointestinal diseases.
A new study found that patients with long COVID have virus-specific T cell levels over 100 times higher than those who recovered from the disease. The research team's findings suggest hidden viral reservoirs may be causing long-term symptoms, guiding future treatments towards vaccines and antiviral medications.
A new study from Mount Sinai Heart found that heart failure patients unvaccinated against COVID-19 are three times more likely to die from it than those who are fully vaccinated and boosted. The research also shows that these unvaccinated patients face higher risks of hospitalization and ICU admission if infected with the virus.
A new study found that 82% of teens and young adults are open to COVID-19 vaccine incentives, but 21% question their ethics. Most youth believe incentives will promote vaccination and serve the greater good, while some express concerns about bribery or eroding trust in vaccines.
Researchers assessed the protection against symptomatic COVID-19 among Moderna vaccine trial participants and found a significant durability of protection over time. The study showed that the vaccine remained effective in preventing severe symptoms even after multiple doses were administered.
Researchers discovered that pregnant women produce super antibodies to protect their newborns by altering the structure of sugars attached to the antibodies. This molecular change allows immunoglobulin G to stimulate immunity through receptors that respond specifically to deacetylated sugars, providing expanded protective role.
A randomized clinical trial found that vaccinating household chickens increased consumption of high-protein foods, leading to improved growth and reduced child stunting in rural Kenya. Children from vaccinated households showed a 24% increase in protein-rich food intake and significant gains in height and weight.
A survey study of 1,125 adolescents and young adults investigated their experiences and perceptions of COVID-19 vaccine incentives. The study found that many participants were influenced by social media and family members when deciding whether to get vaccinated.
A study led by the University of Pittsburgh School of Public Health analyzed health care workers' motivations for vaccination and how they share their experiences on social media. The findings suggest that emphasizing 'freedom from fear' and addressing misinformation can be effective in reducing vaccine hesitancy.
Researchers at Nagoya University developed a chemical-only process to create customized mRNA vaccines, offering an inexpensive and large-scale production of mRNA. The new method allows for precise molecular design and stable mRNA with improved translational activity.
A recent study of nearly 114,000 patients found that the risk of a COVID-19 breakthrough infection was low overall, but higher in people with HIV. The study highlights the need for continued vaccination efforts and monitoring among this vulnerable population.
A new study by University of Maryland researchers found that people in Republican counties were more likely to die from COVID-19, with nearly 73 more deaths per 100,000 people compared to Democratic counties. The disparity was due to structural and policy differences in the more conservative counties.
A third dose of COVID-19 vaccine may be essential for kidney transplant patients in Japan to prevent severe disease and infection. Researchers found that only a third of patients developed sufficient antibodies after two doses, highlighting the need for additional protection.
A pregnant woman battled COVID-19 for 22 days before receiving life-saving ECMO treatment. After a successful delivery of a healthy baby boy via emergency C-section, the mother made a full recovery with extensive physiotherapy.
New research suggests that official vaccine mandates can motivate hesitant individuals to seek vaccination, with announcements of mandates having a significant impact on vaccination rates. The study used Canadian provinces and European countries to explore the relationship between mandates and vaccine uptake.
A Norwegian study found that vaccinated mothers had a lower incidence of SARS-CoV-2 infection in their infants within the first four months of life. The study analyzed all live births between September 2021 and February 2022 and showed a significant reduction in infections among vaccinated infants.
A recent study published in The BMJ found that three doses of the same vaccine or a combination of different vaccines work equally well in preventing COVID-19 infections. The research suggests that the number of vaccine doses is key to improving immunity, rather than the combination of vaccine types.
A study suggests switching from intramuscular to subcutaneous injection may ease post-vaccination fatigue in humans, similar to findings in mice. Researchers identified molecular characteristics linked to increased fatigue and correlated them with baseline gene expression of immune cells.
A single-center study found lower pneumonia frequency and severity in fully vaccinated patients compared to unvaccinated patients. The study included 467 patients who underwent chest CT during hospitalization for symptomatic COVID-19, with significant reductions in pneumonia frequency and severity observed in those fully vaccinated.
A survey study found that Americans are more willing to have surgery during a pandemic if they and hospital staff are vaccinated. Urgent or lifesaving surgeries were viewed as essential, while outpatient surgeries carried less risk of COVID-19 transmission.
A study published in Brain, Behaviour and Immunity found that lower neighbourhood cohesion is associated with a lower response to COVID-19 vaccines. Social cohesion was also linked to feelings of loneliness, which reduced the antibody response.
Researchers found conversion messages to be more effective than one-sided messages in convincing vaccine-hesitant individuals to get vaccinated. The study showed that messages sharing a personal story of someone changing their mind about vaccines increased pro-vaccine attitudes and behavioral intentions among high hesitancy participants.
A survey of hospital staff in two Swiss hospitals found that those who were hesitant or refused vaccination displayed higher impatience and lower expectations for public vaccination rates. This has implications for future health campaigns, as medical staff serve as role models for the general public.
A study of 2.6 million Chicago residents found that zip codes with low vaccination rates had higher COVID-19 mortality rates during the Alpha and Delta waves. This inequitable coverage exacerbated existing racial and ethnic disparities in COVID-19 deaths.
Children previously infected with COVID-19 or MIS-C are not protected against the newer Omicron variant. However, vaccination shows protective effects, according to a study published in Nature Communications.
A new study found that the delta variant surge in the US was partially due to overestimating population immunity, with only 67% of southern New Englanders actually immune. This underestimation led to inaccurate projections and an incorrect assumption about herd immunity.
A UC Riverside study focuses on farm-working communities in the region, highlighting misinformation, lack of trust, and insecurity as major factors. The research emphasizes the need for targeted interventions to address health disparities and increase vaccine acceptance among vulnerable populations.
Researchers simulated COVID-19 transmission on a university campus, finding that universal mask usage and high vaccination rates can curb new infections. The study suggests that at least 93% of students should be vaccinated during highly transmissible variant outbreaks.
Researchers at Brigham and Women's Hospital studied mRNA vaccine safety in pregnant women, finding no Spike protein expression in placentas. The study provides further evidence of mRNA vaccine safety, supporting expanded vaccination efforts for vulnerable populations.
A cohort study of healthcare workers and community participants found that fully vaccinated individuals had significantly less secondary transmission and shorter viable virus duration than partially vaccinated or unvaccinated individuals. The study suggests that vaccination status affects SARS-CoV-2 shedding and transmission.
New experiments in mice contradict fears that COVID-19 vaccination affects fetal growth and fertility. Vaccination is shown to protect the fetus from infection, while infection reduces fetal growth. The study adds further evidence against popular claims of vaccine harms during pregnancy.
A population-scale study found COVID-19 vaccination is effective in most cancer patients but offers lower protection and wanes quickly. Vaccine effectiveness was lower (65.5%) in cancer patients compared to the general population (69.8%), with higher hospitalization and death risks despite vaccination.
Researchers assessed COVID-19 prevention measures in NYC public schools against the Delta variant, finding secondary attack rates and transmission patterns among students, teachers, and staff. Vaccination status played a significant role in preventing delta variant transmission.
The current monkeypox outbreak is more widespread than previous ones outside of Africa, with significant cases reported in Europe, the UK, and North America. A notable increase in cases among men who have sex with men has been observed, although the cause remains unclear.
A study published in AJR found that COVID-19 mRNA vaccination-induced axillary lymphadenopathy resolves after a mean of 97 days. Longer resolution times were observed with Moderna vaccination, receipt of second doses, and thicker cortical thickness at presentation.
A study of 50 people found that higher body weights were inversely correlated with anti-SARS-CoV-2 antibody levels six months after receiving two doses of the Pfizer/BioNTech COVID-19 vaccine. The findings suggest that weight may impact immune response to the vaccine.
Studies found people infected and vaccinated had similarly robust antibody responses against variants alpha through omicron; Immune memory cells against common cold coronaviruses may be markers of longer immunity. Researchers hope to improve vaccines with these insights.
A study published in PLOS Pathogens suggests that the repurposed antibiotic clofoctol may be an effective therapeutic for SARS-CoV-2 infected mice, with decreased viral load, reduced inflammatory gene expression, and lowered pulmonary pathology. Further studies are needed to confirm its potential as a treatment for COVID-19 patients.
Two studies found that a third dose of mRNA vaccine generates high enough antibody levels to neutralize BA.2 and deltacron, as well as other omicron sublineage variants. Booster shots show stronger protection against these variants than just two doses, particularly against deltacron.
Researchers evaluated various vaccination, testing, and surveillance measures to control Omicron variant spread on a university campus. The study found that routine surveillance and vaccination efforts were effective in reducing case numbers and hospitalizations.
A large study found that vaccination after SARS-CoV-2 infection is associated with a decrease in the likelihood of long Covid symptoms. Receiving a first and second vaccine dose was linked to a sustained reduction in long Covid symptoms, especially those severe enough to limit daily activities.
A community-focused approach led by Boston Medical Center significantly improved COVID-19 vaccination uptake in historically disinvested Black and Latino communities. The initiative administered over 100,000 first doses, with a focus on mobile vaccination events and community-based clinics.
A study published in PLOS Medicine found that mRNA vaccines show better protection against COVID-19 variants compared to viral vector vaccines. The research, conducted among healthcare workers, revealed higher neutralizing antibody responses in mRNA vaccine recipients against VOCs, including Omicron.
Researchers discovered that adaptive immune response against TB matures over time, with key players in immunity becoming activated by three months after infection. The emergence of these activated T cells is inversely correlated with the number of granuloma-contained live bacteria, suggesting they play critical roles in bacterial control.
A national study found that the Pfizer-BioNTech COVID-19 vaccine prevented 8.7 million symptomatic cases, 690,000 hospitalizations, and 110,000 deaths in the US. The vaccine also saved more than $30 billion in healthcare costs and over $40 billion in lost productivity.
New research published in CMAJ found that 11% of patients discharged from COVID-19 hospitalization were readmitted or died within 30 days. Notably, the rates of readmission were consistent with admissions for other medical conditions.
Researchers compared SARS-CoV-2 antibody titers after Pfizer-BioNTech and Moderna COVID-19 vaccines in immunosuppressed patients. The study found differing antibody responses among these individuals, who have decreased immune responses to standard vaccines.
Two projects aim to vaccinate 40,000 and 60,000 people in Ethiopia against cholera, using the OCV vaccine developed by IVI. The mass vaccination campaign will also establish a disease monitoring system to strengthen local public health capabilities.
Researchers found that a single mRNA vaccine booster shot can provide the same level of protection as three doses, making it a promising investment for resource-poor countries. The study suggests that this strategy could benefit billions of people worldwide and help combat emerging COVID-19 variants.
Researchers found that MS patients treated with Rituximab who have higher B cell counts of 40/µL or more develop protective levels of antibodies after vaccination. This suggests that measuring B cell level before vaccination is crucial for increasing the chance of a positive response.