Articles tagged with Vaccination
A study published in The New England Journal of Medicine found that mucosal antibodies in the airways significantly reduce the risk of omicron infection. High levels of these antibodies more than halved the risk of becoming infected, while also being associated with lower viral replication.
The Lancet Commission report highlights widespread, global failures in the COVID-19 response, resulting in millions of preventable deaths and reversed progress towards UN SDGs. The report calls for strengthened multilateral cooperation, improved technology, and international health financing to address future health threats.
A new study by the University of Georgia finds that current vaccine approaches are unlikely to eradicate measles, with a basic reproduction number of 18 for measles. The researchers propose novel approaches to improve vaccine coverage equity and reevaluate cessation criteria to prevent outbreaks.
Researchers at USC discovered that the COVID-19 virus uses a human enzyme to accelerate its mutations, allowing it to evade vaccines and spread quickly. By understanding this mechanism, scientists can predict new variants and develop more effective vaccines.
Researchers found that SARS-CoV-2 antibody levels remained high for at least 6 months after vaccination, providing long-term protection against subsequent infection. The study involved 2,100 West Virginia nursing home residents and staff who received COVID-19 vaccination.
Researchers found that vaccine companies, such as Moderna and Pfizer, experience significant price movements when one company performs well or poorly. Sinopharm is found to be the most affected by market volatility, while AstraZeneca has the greatest influence on Moderna's stock price.
Researchers at La Jolla Institute for Immunology discovered how Zika virus forces dendritic cells to churn out lipid molecules, allowing the virus to build copies of itself. This study provides a major step forward in developing antiviral therapies against multiple flavivirus infections.
A new study found that individuals with low confidence in the importance of vaccination are five times more likely to remain unvaccinated. Rural areas and those with lower socioeconomic status also had higher prevalence of non-vaccination across all regions.
A recent study of 17,000 participants found that COVID-19 boosters or third doses were generally well tolerated by pregnant and lactating women. The study suggests that these vaccines can be safely administered during pregnancy and breastfeeding, addressing concerns about vaccine uptake among this demographic.
Researchers found that RK-33 inhibits the ability of SARS-CoV-2 to replicate in host cells, making it a potential broad-spectrum antiviral agent. The study showed that RK-33's antiviral capability remains consistent across four SARS-CoV-2 variants.
A recent study published in npj Vaccines found that receiving at least two doses of Pfizer COVID-19 vaccine dramatically reduces long-term symptoms. Eight of the ten most-commonly reported symptoms were reported between 50 and 80% less often among vaccinated individuals compared to those who received no doses.
A new study from the University of Kansas found that racial and ethnic minority populations in the US faced unique challenges while seeking COVID-19 information online, including misinformation, harassment, and hostility. Younger and healthier individuals were more resistant to vaccination due to lower perceived risk and benefit.
A study published in JAMA Internal Medicine found that COVID-19-associated hospitalizations among unvaccinated adults were significantly higher than those with booster doses. The study suggests continued vaccination efforts for eligible persons to mitigate hospitalization rates.
A Rutgers study found that previous sexually transmitted infections and multiple sexual partners increase the risk of new HPV infections in men who have sex with men, other cisgender sexual minority men, and transgender women. The study also highlights the importance of HPV vaccination and regular screening to prevent anal cancer.
A survey study of a large professional society meeting during the Omicron surge found low COVID-19 positivity rates among both in-person and virtual attendees. The study suggests that cautious strategies to mitigate transmission were effective, with no greater risk associated with in-person attendance.
A study found that neutralizing antibody levels against COVID-19 decline by at least 15% per month after a single booster shot, but can be restored with a second dose. Researchers tested serum from vaccinated adults and found a higher rate of decline in neutralizing antibodies against the BA.5 omicron variant.
Participation in the Special Supplemental Nutrition Program for Women, Infants, and Children (WIC) is associated with improved birth outcomes, including lower infant mortality. The review also found that WIC participants are more likely to receive child preventative services, such as vaccines.
Researchers analyzed COVID-19 lockdown strategies in Germany, Israel, and the US to determine optimal policy changes based on vaccine development timelines. Lockdowns were stricter before vaccine approval and continued to intensify after approval until vaccination reached a sufficient percentage.
A new study found that US life expectancy decreased by 2.2 years from 2019 to 2021, with significant racial disparities persisting throughout the pandemic. The study highlights the ongoing impact of COVID-19 on public health, particularly among vulnerable populations.
A study published in The Lancet Rheumatology found that booster vaccinations significantly increase immune protection for individuals with autoimmune diseases such as rheumatism and inflammatory bowel disease. Most patients experienced no significant side effects after receiving a third vaccination, and their antibodies effectively pro...
A third vaccine dose offers better protection against Omicron infection and hospitalization compared to two doses. The study found that a third dose maintained longer protection against infection for a longer time.
A study published in NEJM found that individuals infected with previous SARS-CoV-2 variants have four times greater protection against the current Omicron BA.5 subvariant than those who were not infected. This hybrid immunity provides significant protection against future infections.
Researchers discovered a substance that increased immune response to an experimental COVID-19 shot in mice, producing antibodies 25 times greater than without an adjuvant. The new adjuvant, αGC-CPOEt, is being investigated as a potential treatment for COVID-19 and other infectious diseases.
A new study finds that COVID-19 orphanhood is significantly higher in poorer countries due to pre-existing health and vaccine coverage inequity. The risk is driven by factors like poverty prevalence, lower GDP per capita, and non-communicable diseases.
The study found that a booster shot's effectiveness is the primary factor influencing people's willingness to receive it. Those who believe in vaccine efficacy are more likely to accept the booster shot, especially if it is made by Moderna or Pfizer. A partisan divide persists, with Democrats more willing and Republicans less willing.
Researchers have found that human antibodies can incorporate foreign genetic material from the mitochondria and ends of chromosomes, leading to increased immune diversity. This discovery challenges the long-held assumption that antibody diversity results solely from gene mutations.
A population-based retrospective cohort study found that COVID-19 vaccination during pregnancy is not associated with an increased risk of preterm birth, small for gestational age at birth, or stillbirth. The study concluded that COVID-19 vaccination during pregnancy can inform evidence-based decision-making about its safety.
A PSU study reveals that Republican voters and Black people are among the most hesitant to get vaccinated against COVID-19. The research suggests a regional approach may be more effective than a universal one in boosting vaccination rates.
Researchers have developed a new treatment principle that combines DNA-based and protein-based vaccines to stimulate the immune system against both hepatitis B and D viruses. The treatment has been shown to protect cultured cells against HBV and HDV infection, producing high levels of neutralizing antibodies and T-cells.
A recent study found three distinct themes in slogans protesting federal COVID-19 vaccine mandates: Support for individual freedom/rights, opposition to government control, and anti-science misinformation/disinformation. The majority of slogans opposing vaccines were about individual rights or resistance to government control.
A UC Davis Health study found that tecovirimat appears to be safe and effective for treating monkeypox symptoms and skin lesions. The study, which included 25 patients with confirmed monkeypox infection, showed that 92% of patients had lesions in their genital or anal area, while 40% healed from their lesions within a week of treatment.
The study examines the complex factors contributing to vaccine hesitancy, including mixed media messages and concerns about effectiveness and safety. The researchers found that highly educated individuals were among those hesitant to receive the vaccine, highlighting the need for targeted education approaches.
Researchers developed a DNA vaccine containing multiple parts of the virus, including ones that don't mutate as frequently. The vaccine protected mice against serious infection from the beta variant and activated immune cells recognizing the coronavirus found in bats.
A case-control study found that pregnant women with higher folate levels are at a lower risk of having children with congenital heart disease. The researchers measured red blood cell folate levels and found that those with CHD had significantly lower median levels than those without CHD.
Researchers developed a new quantitative RT-qPCR assay to detect and quantify the Omicron variant of SARS-CoV-2 in wastewater. The assay revealed that Omicron displaced Delta as the dominant variant within just 3 weeks in an Italian population.
A study published in JAMA Health Forum found that COVID vaccine mandates for nursing home staff led to increased vaccination rates, with larger effects in Republican-leaning counties. The mandates did not significantly contribute to reported staffing shortages.
Researchers compared HPV prevalence among women born in the 1980s, 1990s, and before/after vaccination periods. The study found significant differences in HPV prevalence between these groups.
A severe decline in surgical procedure volumes was observed across various subspecialties during the COVID-19 peak. The overall volume failed to fully recover after the peak and vaccine release periods, with varying rates of recovery among different specialties.
Advanced cervical cancer rates have been rising in the US, with a significant increase among White women and higher prevalence among Black women, particularly those in their mid-to-late 50s. The study found that obesity and older age at first birth may contribute to the rise in this type of cervical cancer.
Researchers estimated long-term effectiveness of Pfizer-BioNTech COVID-19 vaccine against SARS-CoV-2 infection and critical infections among 3.2 million South Korean adolescents. The study found high vaccine effectiveness in preventing severe illnesses.
A study found a strong link between post-COVID loss of smell or taste and memory problems in patients. Those with the most severe sensory disorders performed worse in cognitive tests, especially memorization.
A quality improvement program increased pneumococcal vaccination rates from 53% to 70% in adults aged 18-64 years with stage 4 and 5 chronic kidney disease. The intervention, which utilized electronic best practice alerts within the electronic medical record, improved vaccination rates primarily among this high-risk group.
A large Canadian study found no association between Covid-19 vaccination during pregnancy and increased risks of preterm birth or stillbirth. The study analyzed data from over 85,000 births and concluded that vaccination is effective against Covid-19 in pregnant individuals and their newborns.
Most COVID-19 therapeutics clinical trials were publicly funded, with 58% of trials receiving public funding, followed by industry (27%) and partnerships (15%). Clinical trials focused primarily on COVID-19 therapeutics rather than vaccines.
A new study found that countries with greater universal health coverage had smaller declines in childhood immunization coverage during the COVID-19 pandemic. Countries with a high UHC index had an average childhood immunization coverage rate of 92.7% compared to 86.2% in those with lower UHC indices.
A review of available monkeypox clinical guidelines found most were of low quality, lacking sufficient detail and failing to cover different risk groups. The lack of clarity between guidelines creates uncertainty for clinicians treating patients with monkeypox.
A new MIT model simulates vaccine allocation strategies to predict the effect on cumulative deaths and infections in the US. The research finds that allocating more than 50% of available doses to non-vaccinated individuals can significantly increase lives saved and reduce infections.
Researchers discovered 13 cases of asymptomatic MSM with positive monkeypox virus PCR results in anal samples, raising concerns about the outbreak's transmission dynamics. The findings suggest that vaccination may not be an effective strategy for preventing infection, highlighting the need for expanded public health interventions.
Researchers found that two new techniques can help reduce needle fear in primary-aged children, including a distraction game and positive memory reframing. The study involved 41 children and showed promising results for broad vaccination programs.
Adults with vision or hearing disabilities have lower COVID-19 vaccination rates compared to those without disabilities. The study suggests that initiatives promoting equitable and accessible vaccination may be necessary to address these disparities.
A 3-dose Moderna COVID-19 vaccination schedule significantly improved SARS-CoV-2 antibody concentrations in immunocompromised patients. This improvement was comparable to those obtained by healthy individuals after the standard two-dose Moderna vaccination schedule.
A large Canadian study published in The Lancet Infectious Diseases journal suggests COVID-19 mRNA vaccines are safe to use in pregnancy. Pregnant women who received the vaccine experienced lower rates of health events post-vaccination compared to non-pregnant vaccinated individuals.
Boosting with either Janssen or Pfizer-BioNTech vaccine boosts humoral and cellular immune responses. Boosting with Janssen vaccine provides durable antibody and T-cell responses for at least four months.
Researchers assessed the effectiveness of adding a Pfizer-BioNTech booster to two doses of CoronaVac, finding reduced risk of symptomatic SARS-CoV-2 infection. The study used national data from nearly 14 million vaccinated individuals in Malaysia.
A new model predicts that high transmissibility and immune erosion will lead to further outbreaks. The study highlights the need for a universal vaccine to block SARS-CoV-2 infection and prevent severe disease.
A new study has shown that the TB vaccine can produce a long-lasting 'trained immunity response' in infants, lasting more than 14 months after vaccination. The research found that the BCG vaccine's off-target effects on the immune system can lead to reprogramming of genes in a specific blood cell type, known as monocytes.
A recent study published in JAMA Network Open found that the in-class transmission of SARS-CoV-2 was extremely low at a large urban university with strict health measures in place. The analysis of 140,000 class meetings revealed negligible cases, indicating effective control of the virus.
A new hydrogel-based platform increases vaccine thermal stability, enabling distribution in diverse regions without strict temperature control. The technology has the potential to reduce economic costs and health risks associated with cold chain logistics.
A systematic review found that HPV vaccination significantly reduces the risk of cervical lesions recurrence, especially in cases related to high-risk HPV types. The study's results suggest that women treated for precancerous cervical lesions may benefit from receiving an HPV vaccine alongside surgical treatment.
The Pfizer/BioNTech COVID-19 vaccine demonstrated high levels of protection against emergency department and urgent care encounters related to Delta and Omicron variants. A third dose improved protection against Omicron beyond initial two-dose efficacy, emphasizing the importance of boosters for adolescents aged 12-17.