Articles tagged with Measles
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A systematic review of 35 observational studies found that current immunisation coverage target of 95% may only be the minimum requirement for elimination. The analysis estimated average MCV2 vaccine effectiveness was 96.4%, indicating that a vaccination level of 95% should be considered a minimum requirement, not a goal.
Low MMR vaccine uptake is being blamed for a decline in protective immunity, with only 95% coverage needed to prevent outbreaks. Experts urge parents and healthcare professionals to improve awareness and uptake of the vaccine.
A new study by researchers from the Annenberg Public Policy Center finds that exposure to alternative health media can affect beliefs about consequential health-care issues like vaccination. After Dr. Mehmet Oz endorsed the MMR (measles-mumps-rubella) vaccine on a March 2019 episode of “The Dr. Oz Show,” significantly more people in hi...
Researchers found that even unrelated vaccines can provide cross-protection against multiple pathogens, reducing caseloads and hospital usage. Vaccinating vulnerable populations with other vaccines during the pandemic can have a substantial impact.
The study suggests that COVID-19 eradication is technically possible due to the availability of safe vaccines, lifelong immunity, and effective government management. However, securing high vaccine coverage and responding quickly to variants are major challenges.
High-quality vaccination programs protect people of all ages, from infants to the elderly, but many adults remain under- or unvaccinated. The article highlights the importance of vaccines in preventing life-threatening diseases and discusses challenges in ensuring equitable access to vaccines.
A Kaiser Permanente study found that child vaccination rates declined significantly during the COVID-19 pandemic, with measles vaccination coverage remaining substantially reduced in many age groups. The decline was more severe and persistent in older children, highlighting concerns about vaccine-preventable diseases.
A new SARS-CoV-2 vaccine candidate has shown strong immune responses and prevented infection in multiple animal studies. The vaccine uses a modified measles vaccine platform to stimulate immunity, potentially offering advantages over existing vaccines.
A new study estimates that vaccination against 10 major pathogens will have prevented 69 million deaths in low-income and middle-income countries between 2000 and 2030. Vaccination programs are expected to reduce mortality from these diseases by 72% for those born in 2019, with the greatest impact on children under five.
A new modelling study estimates that without vaccination, mortality in children under five would be 45% higher in low-income and middle-income countries. Vaccination has prevented 69 million deaths between 2000-2030.
A new scientific study examines vaccine delivery in low- and middle-income nations, finding higher vaccination rates in urban areas than rural communities. The study highlights the need for policymakers to target both urban and remote locations to equitably vaccinate all children.
Major measles outbreaks will occur globally in 2021 due to widespread vaccination delays caused by the COVID-19 pandemic. Malnutrition and vitamin A deficiency worsen measles severity, leading to increased deaths and blindness.
A new study from the University of Michigan suggests that localized data on childhood vaccination coverage can help predict and prevent measles outbreaks. The research found that when people who are not vaccinated cluster geographically, the probability and size of an outbreak increase.
A new study suggests that localized vaccination surveillance can help predict and prevent measles outbreaks by analyzing geographic clustering of non-vaccinators. The researchers found that even at high overall vaccination coverage, clustering of non-vaccinators increases the probability and size of an outbreak.
Local spatial clustering of non-vaccinated individuals can lead to large measles outbreaks even at high overall vaccination coverage. The study highlights the importance of fine-scale vaccination data for effective targeted interventions in high-risk areas.
A study found that vaccination with the measles-mumps-rubella (MMR) vaccine reduced the severity of COVID-19 in high-risk patients. Out of 36 cases, none required supplementary oxygen or respiratory insufficiency.
Research in Niger links measles outbreaks to rainfall and temperature patterns, revealing a strong annual cycle associated with agricultural labor migrations. Vaccination strategies targeting migrating populations during the rainy season may break this pattern, reducing outbreaks.
Scientists at Georgia State University have identified a potent and well-tolerated antiviral compound, GHP-88309, that targets paramyxovirus polymerases. The compound is effective against both human parainfluenzaviruses and the measles virus.
Researchers propose that MMR vaccination could provide protection against COVID-19 in children, based on sequence similarity between SARS-CoV-2 and measles viruses. Experimental research is needed to support this hypothesis and confirm the duration of protection.
A team of researchers sequenced a measles genome from 1912 and found it likely arose in human populations around the 6th century BCE. This finding suggests that large cities may have played a role in the emergence of the virus. Understanding the origins of COVID-19 could help protect against and fight the pandemic.
A new study suggests the measles virus emerged in humans around 528 BCE, thousands of years earlier than previously thought. Researchers used lung samples and genome sequencing data to reconstruct the virus's evolutionary history, tracing its emergence from a cattle-infecting relative.
A recent study found that delayed vaccinations and increased contact among young children, likely through 'measles parties', fueled the 2019 measles outbreak in NYC. Vaccination campaigns averted a huge spike in cases, but experts warn of potential future outbreaks as vaccination rates plummet.
Researchers modeled measles dynamics using 40 years of English and Welsh data, revealing local town spread contributes to virus persistence before vaccination. After introduction, unidentifiable sources became main reintroduction pathway.
A Cochrane Review confirms the effectiveness of MMR vaccines in preventing infectious diseases such as measles, mumps, and rubella. The review found that one dose of vaccine was 95% effective in preventing measles and 89% effective in preventing rubella, with no association between the vaccines and autism or other conditions.
Research finds people with vaccine skepticism tend to overestimate the likelihood of rare negative events, including mortality-related causes. This suggests a possible explanation for their concerns: cognitive or affective variables influencing vaccine skepticism.
A study conducted in northwestern São Paulo found that nearly a third of the population under 40 lacked immunity against measles, with only 1% over 50 showing similar results. Vaccination remains essential in preventing transmission and controlling outbreaks.
A recent study published in BMJ Case Reports highlights the serious complications of measles, including hepatitis, appendicitis, and viral meningitis. The authors report on three cases of adults treated for measles, highlighting the need for urgent efforts to ensure global coverage with two-dose measles vaccines.
Scientists have determined the 3D atomic structure of a key enzyme complex in paramyxoviruses, a family of RNA viruses that includes measles, mumps, human parainfluenza and respiratory syncytial virus (RSV). This discovery could lead to the development of new antiviral drugs for these viruses as well as coronavirus.
A study found that people exposed to vaccine content on social media were more likely to be misinformed about vaccines than those exposed to it on traditional media. Up to 20% of respondents were at least somewhat misinformed, with common claims including the link between vaccines and autism.
A study found that almost 60% of eligible young travelers were not vaccinated due to clinician decision or guardian refusal, despite recommendations from the Advisory Committee on Immunization Practices. The researchers emphasize the urgent need for greater awareness of MMR vaccination benefits for international travelers.
In unvaccinated children, measles infection can cause a significant weakening of the immune system, leading to impaired immunity against viruses and bacteria for months or even years. This phenomenon, known as 'immune amnesia,' was observed in two separate studies published in Science Immunology and Science.
A recent study published in Science reveals that measles virus infection can eliminate up to 73% of a child's protective antibodies, rendering them defenseless against other viruses. The discovery underscores the importance of widespread vaccination and highlights the potential consequences of measles infection on the immune system.
A study by Harvard Medical School researchers found that the measles virus depletes antibody repertoires, erasing immune memory to most previously encountered pathogens. This supports the immune amnesia hypothesis, suggesting that the vaccine's extended protective effects stem from preventing measles infection.
A study by the Wellcome Sanger Institute and University of Amsterdam found that measles virus deletes part of the immune system's memory, removing immunity to other infections in humans and ferrets. This 'immunological amnesia' increases vulnerability to secondary diseases like flu, diphtheria, and tuberculosis.
A vaccine for Lassa fever, a hemorrhagic disease causing up to 6,000 deaths annually, is set to enter human clinical trials. The measles platform-based vaccine demonstrated the best protection against the virus in preclinical tests.
Experts discuss the importance of vaccination in preventing serious complications from diseases like measles, influenza, and cystic fibrosis. The panel emphasizes that vaccines are effective in keeping disease rates low when majority of people are vaccinated.
A simple epidemiological model accurately predicts measles transmission dynamics in London over almost a century, accounting for historical events like the 1918 pandemic. The study's findings suggest long-term disease dynamics can follow simple rules, with implications for understanding other ecological phenomena.
Research suggests that infection with measles in unvaccinated children increases their risk of other severe infectious diseases in the 2-3 years following infection. Measles can cause immune-amnesia, erasing immunity to other diseases and exposing children to re-infection. Vaccination is crucial for preventing measles-related infections.
A study published in PLOS ONE found that individuals' vaccination attitudes are shaped by their proximity to a disease outbreak, particularly for those who distrust government medical experts. On the other hand, people with high levels of trust in government experts are not affected by disease proximity.
The study identified a novel protein interface in the polymerase complex that is pivotal for regulating polymerase activity, providing a new objective for target-based antiviral drug discovery. The findings reveal a vulnerability in the viral genome that could be exploited as a target for small-molecule antiviral drugs.
A computer simulation reveals that a 5% decrease in vaccination rates could lead to massive measles outbreaks in Texas cities, with Austin and Dallas-Fort Worth particularly at risk. The study finds that even with current high vaccination rates, there's a significant chance of an outbreak involving over 400 people in some areas.
Growing measles outbreaks require strong regional public health systems and sustained immunization coverage to prevent disease spread. Public health experts emphasize the need for coordination at the local level to overcome challenges posed by anti-vaccination proponents.
The study found that measles-vaccinated children had significantly higher scores on cognitive tests and attended better schools than their unvaccinated peers. Long-term health benefits of measles vaccination were also observed in terms of improved growth parameters, such as height and weight.
Experts argue that compulsory vaccination can increase uptake, but others recommend improving services and infrastructure instead. The UK's measles vaccination rate is currently below the required 95% for herd immunity.
Researchers developed a statistical method to predict disease reemergence, particularly for preventable childhood infections like measles and pertussis. The model analyzes subtle changes in reported cases to identify early warning signals for emerging diseases.
Researchers warn that current vaccination policies may not be enough to prevent measles resurgence in seven high-income countries. The study suggests that countries like the UK, Ireland, and US would benefit from compulsory vaccination at school entry to achieve stable herd immunity levels.
Researchers at the University of Texas at Austin and Johns Hopkins University have identified 25 US counties at high risk for measles outbreaks. The analysis considered international travel and vaccination rates, predicting over 1,000 cases in the US this year.
Researchers used a model of measles transmission to predict the impact of vaccination campaigns in Pakistan. Conducting vaccination campaigns between May and October reduced estimated infections by 400,000 compared to January campaigns.
A new analysis predicts top 25 US counties at risk for measles outbreaks in 2019, considering non-medical exemptions, international air travel, and population data. The study identifies regions with low vaccination rates and high passenger inflow from affected countries as areas of high risk.
A new model maps a country's progress towards measles elimination onto a 'canonical path,' which helps tailor vaccination efforts. The path reflects birth rate and vaccination coverage, guiding countries to adapt their control efforts as they progress towards elimination.
Researchers identify predictable changes in global measles dynamics, enabling tailored vaccination and public health programs. Countries along the 'canonical path' experience declining disease incidence with increasing yearly variability, guiding informed control efforts.
A recent commentary warns of a preventable global resurgence of measles due to declining vaccination rates. Measles is an extremely contagious illness that can cause severe complications and death in vulnerable populations. Without renewed focus on measles vaccination efforts, the disease may rebound in full force.
Measles and diphtheria have re-emerged in Venezuela with a disproportionate impact on indigenous populations, with over 7,500 measles cases reported and 100 deaths attributed to the disease. Diphtheria cases also surged, with 96% of reported cases originating from Venezuela, exposing 3 million vulnerable children to the disease.
Research reveals that vaccines may be less effective at higher pathogen doses and when individuals have similar susceptibility, such as younger or malnourished populations. Mathematical modeling simulations validated these findings with real-world data from nearly 6,000 articles.
A mass measles vaccination campaign in India saved an estimated 41,000 to 56,000 children's lives between 2010 and 2013, according to a study published in eLife. The campaigns significantly reduced child mortality rates in the affected districts, with mortality rates falling by 27% compared to non-campaign states.
A study by Queen Mary University of London found a significant positive association between populist party votes and vaccine mistrust levels across Europe. The analysis suggests that scientific populism may be driven by distrust of elites and experts, contributing to rising vaccine hesitancy.
Researchers at Columbia University Mailman School used a new model-inference system to estimate population susceptibility and demographical characteristics in three key locations in China. The study found that catch-up vaccination targeting migrant populations may be an efficient means of controlling current epidemics in big cities, wh...
Researchers at Mayo Clinic have created a more efficient method for reprogramming induced pluripotent stem cells, reducing the process from four factors to one. The new system combines genetic cocktails into a single measles virus vector, making it faster and safer for clinical translation.
Vaccines have been proven to be safe and beneficial for society, but misconceptions persist. The World Health Organization requires vaccination checks during medical encounters, but many cases are missed. Digital tools like VaccApp and ViVI Score aim to improve vaccine communication.
The project leverages the multiplexed VaxArray platform to deliver high-quality MR vaccines faster and at lower production costs. Measles and rubella vaccines can prevent these highly contagious diseases, which have had a significant impact globally.