Between February 16 and 24, 2011, more than 2,500 students in Catawba County�s three public school systems received the 2010-11 flu vaccine due to a successful partnership between the schools and Catawba County Public Health. School nurses collected permission forms from parents and coordinated flu vaccine mini-clinics at 43 schools.

Good afternoon. On behalf of the Institute of Medicine and the entire committee, I would like to welcome reporters and guests to the release of our report, Vaccines and Autism.

A review of the available evidence underscores the safety of the federal childhood immunization schedule, says a new report from the Institute of Medicine.

ABSTRACTIntroduction: Nigeria has the highest number of children who have not received any vaccines in Africa. The training-of-trainers (TOT) model used to train program managers (PMs) and health care workers (HCWs) is ineffective for adult learning and limits immunization programs’ success. We incorporated adult learning principles (ALPs) in designing and delivering TOT for immunization PMs and HCWs to use data to engage communities for tailored immunization strategies.Methods: Our study was implemented in 3 local government areas (LGAs) of the Federal Capital Territory, Nigeria. A training curriculum was developed, integrating ALPs and technical and operational content based on best practices in delivering immunization training and the training needs assessment findings. State PMs (n=10), LGA PMs (n=30), and HCWs (n=42) were trained on the human-centered design for tailoring immunization programs (HCD-TIP) approaches using ALPs. We used interviews and surveys with purposively and conveniently sampled PMs and HCWs, respectively, and observations to assess participants’ satisfaction, knowledge and competence, behavior changes, and results. The interviews were analyzed thematically, and surveys were statistically.Results: There was a high level of satisfaction with the training among LGA PMs (100%), state PMs (91%), and HCWs (85%), with significant knowledge and competence improvements post-training (P<.001). The trained participants conducted 2 HCD sessions with 24 undervaccinated communities and co-designed 24 prototype solutions for testing. Results showed increased coverage of the pentavalent vaccine first dose (54%) and third dose (188%) across 12 participating communities. Improved community colaboration, communication skills, and data-driven approaches were the most cited behavior changes in practice.Conclusion: The application of ALPs in training, use of HCD-TIP approaches and tools, and supportive supervision enhanced PMs’ and HCWs’ capacity for tailored interventions. Countries should consider adopting a holistic approach that focuses on using these approaches in immunization programs to strengthen the health system for equitable vaccine coverage.

According to a 2017 WHO report, India ranks fourth in infections and deaths caused by malaria. Malaria is a mosquito-borne disease and children, pregnant women and travellers are more prone to the disease. The female Anopheles mosquito transfers Plasmodium parasites

World Immunization Week is celebrated in the last week of April (24 to 30 April). Its main objective is to encourage the use of vaccines to protect people of all ages against diseases. Globally, Immunisation is considered a cost-effective public health

Good afternoon. On behalf of the Institute of Medicine and the entire committee, I would like to welcome reporters and guests to the release of our report, Vaccines and Autism.

A review of the available evidence underscores the safety of the federal childhood immunization schedule, says a new report from the Institute of Medicine.

Mice, rats, or hamsters are immunized by giving biweekly injections of a purified antigen, cultured cells, or cDNA. For mice, if a pure, soluble protein antigen is being used and is abundant, a dose of 50–100 µg in adjuvant at each immunization is a sensible general recommendation; for rats and hamsters, a dose of 100–200 µg is sufficient. Lower doses can be used for antigens with higher immunogenicity. Adjuvants (Freund's, Ribi, Hunter's TiterMax, ImmunEasy, or Alum) should be mixed with the immunizing antigen for the first two immunizations only; Complete Freund's adjuvant is only used with the first immunization. Subsequent immunizations are performed in phosphate-buffered saline (PBS) or normal saline, with or without Incomplete Freund's adjuvant. The choice of adjuvant is dependent on the subclass of immunoglobulin required. Over the course of the 6-wk immunization schedule, each animal usually receives a total of six injections (three subcutaneous and three intraperitoneal). Once a good titer has developed against the antigen of interest, regular boosts and bleeds are performed to collect the maximum amount of serum. For rats and hamsters, boosts should be spaced every 2–3 wk, and serum samples of 400–500 µL should be collected 10–12 d after each boost. For mice, boosts should be spaced every 2–3 wk, and serum samples of 200–300 µL should be collected 10–12 d after each boost.

Healthcare Effectiveness Data and Information Set (HEDIS) measures are widely used to assess the reliability of pediatric immunization delivery. The extent to which these measures provide accurate ("is this child up-to-date on immunizations?") and useful ("is this child due for catch-up immunizations?") information is unclear.

Overall, HEDIS childhood immunization measures are accurate and useful. Users of HEDIS data should be aware, however, that certain immunizations (eg, hepatitis B, pneumococcal conjugate) and children (eg, those with a single overdue immunization) are more prone to HEDIS misclassification. (Read the full article)

Pain during routine infant immunization causes parental anxiety. Oral sucrose solutions are effective pain-reduction strategies. Few studies have measured a combined strategy of a physical intervention along with sucrose to decrease the infant’s pain response.

We demonstrate that a physical, nonpharmacological intervention called the 5 S’s (swaddling, side/stomach position, shushing, swinging, and sucking) provides significant pain reduction with or without sucrose during routine 2- and 4-month vaccinations. (Read the full article)

The National Vaccine Advisory Committee highlighted the importance of settings complementary to the medical home for immunization delivery among adolescents, including school-based health centers (SBHCs). The effectiveness and cost of recall for immunizations in SBHC settings has not been studied.

SBHC-based recall was effective in improving immunization rates among adolescents, with effects sizes exceeding those achieved in practice settings. Average costs per child who was immunized ranged from $1.12 to $2.34 in 3 schools, but was $6.87 in 1 school. (Read the full article)

Rates of coverage for recommended vaccinations in adolescents are substantially lower than Healthy People 2010 goals. Reminder/recall is an evidence-based strategy that is proven to increase immunization rates in both adults and young children.

This study shows that reminder/recall is effective in increasing adolescent immunization rates. Practices may also benefit financially from conducting reminder/recall in this age group if they are able to generate additional well visits and keep supply costs low. (Read the full article)

Despite recommendations and a universal immunization program, a recent survey reported suboptimal influenza vaccination coverage in children aged 6 to 23 months in Ontario. Little is known about predictors of coverage in young children to target immunization strategies.

Full influenza vaccination coverage in young children in Ontario is <10% and declining since the 2006–2007 season. Medically high-risk children including low birth weight infants are more likely to be immunized, but maternal and health services characteristics remain important. (Read the full article)

Parents are increasingly following alternative immunization schedules. Current studies suggest up to 21% of parents in the United States are intentionally delaying or refusing some or all of the recommended early-childhood vaccines.

This is the first study to use Immunization Information System data to quantify the proportion of children consistently delaying receipt of vaccines. Consistent-limiting children were found to have lower levels of recommended vaccines. (Read the full article)

Many children are vaccinated against measles with a delay. This may influence effective measles vaccine coverage even in countries with high overall immunization levels. Official vaccine coverage statistics do not usually report on the impact of timeliness of measles vaccination.

Delayed measles vaccination results in 48.6% effective coverage in children aged 6 months to 2 years when 84.5% of 25-month-olds are up-to-date for 1 measles vaccination. Analyzing patterns of measles vaccination could help to address low coverage in infants and toddlers. (Read the full article)

Immunization recall systems have been found effective in increasing immunization rates in younger children and adults; however, there have been only a few studies in adolescents and they have produced mixed results.

In this randomized controlled trial, immunization rates were significantly higher 4 weeks after a recall intervention in which both the adolescent’s parents and the adolescent were contacted, but this effect did not persist 1 year after the intervention. (Read the full article)

The reasons why teens are not immunized are related to parental lack of knowledge and the need for provider recommendations.

The reasons for vaccine refusal for human papillomavirus vaccine differ from other teen vaccines, and concerns about its safety are increasing over time. (Read the full article)

Yearly influenza immunization is recommended in patients with inflammatory bowel disease (IBD). However, concern regarding vaccine-related adverse events may limit uptake, and case reports in the literature detail disease flares after immunization.

Influenza immunization rates in children with IBD are low but immunization did not result in increased outpatient visits, hospitalizations or emergency visits. Immunization was associated with fewer IBD-related visits in the post-vaccine period, which may indicate protection against IBD symptoms. (Read the full article)

Parent or provider reluctance to immunize infants during sick visits is a common reason why infants fall behind on the recommended schedule. One previous study suggested that immunizations at sick visits discouraged parents from making up missed well-baby visits.

Delaying immunizations at sick visits can lower immunization rates without improving rates of well-baby visits. Many infants will not return to makeup well-baby visits missed because of a sick visit, regardless of whether immunizations were delayed or given. (Read the full article)

Exemption rates for immunization requirements have until recently been stable in states permitting religious exemptions. States with easy exemption processes have seen higher rates of vaccine-preventable diseases.

In New York, the rate of religious exemptions has increased. Counties with higher rates of exemption have a greater incidence of pertussis. (Read the full article)

The first evaluation of the economic impact of all vaccines in the routine US childhood immunization schedule assessed the 2001 schedule (excluding pneumococcal conjugate and influenza vaccines) and documented substantial cost savings over the lifetimes of the cohort of children born in 2001.

This report updates our previous evaluation, and estimates the costs and benefits of vaccinating the cohort of children born in 2009. We include vaccines routinely recommended for children in 2009. (Read the full article)

Vitamin K prophylaxis at birth is an effective intervention for preventing vitamin K deficiency bleeding.

Refusal of vitamin K is not common, but those who refuse are more likely to have a birth attended by a midwife, and deliver at home or in a birth center. They are also less likely to immunize their child. (Read the full article)

Childhood immunization might contribute to an increase in asthma prevalence. Previous studies have been contradictory, and many lack sufficiently large control groups of nonimmunized children.

Pertussis immunization in infancy does not increase the risk of asthma medication in adolescents. Our study presents convincing evidence that pertussis immunization in early childhood can be considered safe with respect to long-term development of asthma. (Read the full article)

Parent refusal and delay of childhood vaccines has increased in recent years and is believed to cluster in communities. Such clustering could pose public health risks and barriers to achieving quality benchmarks for immunization coverage.

We found that underimmunization and vaccine refusal cluster geographically. Spatial scan analysis may be a useful tool to identify locations where clinicians may face challenges to achieving benchmarks for immunization coverage and that deserve special focus for interventions. (Read the full article)

Vibha Sanwal, MD, from Rainbow Pediatrics of Georgetown & Lewes, has been named a Centers for Disease Control and Prevention (CDC) Childhood Immunization Champion for her outstanding efforts to promote childhood immunizations in her clinic offices. The Division of Public Health’s nominated her for the award.

ABSTRACT

Middle East respiratory syndrome coronavirus (MERS-CoV) can cause severe and fatal acute respiratory disease in humans and remains endemic in the Middle East since first being identified in 2012. There are currently no approved vaccines or therapies available for MERS-CoV. In this study, we evaluated parainfluenza virus 5 (PIV5)-based vaccine expressing the MERS-CoV envelope spike protein (PIV5/MERS-S) in a human DPP4 knockin C57BL/6 congenic mouse model (hDPP4 KI). Following a single-dose intranasal immunization, PIV5-MERS-S induced neutralizing antibody and robust T cell responses in hDPP4 KI mice. A single intranasal administration of 10⁴ PFU PIV5-MERS-S provided complete protection against a lethal challenge with mouse-adapted MERS-CoV (MERS_MA6.1.2) and improved virus clearance in the lung. In comparison, single-dose intramuscular immunization with 10⁶ PFU UV-inactivated MERS_MA6.1.2 mixed with Imject alum provided protection to only 25% of immunized mice. Intriguingly, an influx of eosinophils was observed only in the lungs of mice immunized with inactivated MERS-CoV, suggestive of a hypersensitivity-type response. Overall, our study indicated that PIV5-MERS-S is a promising effective vaccine candidate against MERS-CoV infection.

IMPORTANCE MERS-CoV causes lethal infection in humans, and there is no vaccine. Our work demonstrates that PIV5 is a promising vector for developing a MERS vaccine. Furthermore, success of PIV5-based MERS vaccine can be employed to develop a vaccine for emerging CoVs such as SARS-CoV-2, which causes COVID-19.

BACKGROUND:

Although autodialer centralized reminder and recall (C-R/R) from state immunization information systems (IISs) has been shown to raise childhood vaccination rates, its impact on human papillomavirus (HPV) vaccination rates is unclear.

Subtractive immunization is useful for directing the immune response away from dominant epitopes to allow antibodies against less immunogenic antigens to be developed. It is also useful when there is a need to downplay the response to carriers added to peptides and recombinant proteins, such as Gst and Ig, to aid in production and purification. Subtractive immunization protocols also can be helpful if the target protein is part of a mixture (such as a cell lysate) or present on the surface of transfected cells.

The repetitive immunization at multiple sites (RIMMS) protocol capitalizes on the animal's innate immune system, which is genetically preprogrammed to recognize many antigens. By repetitively immunizing the animal, B cells that recognize the antigen are kept continuously expanding until the lymph nodes are harvested for hybridoma generation. This is a good method for making a more diverse repertoire of antibodies or antibodies directed against conformational epitopes.

According to a 2017 WHO report, India ranks fourth in infections and deaths caused by malaria. Malaria is a mosquito-borne disease and children, pregnant women and travellers are more prone to the disease. The female Anopheles mosquito transfers Plasmodium parasites

World Immunization Week is celebrated in the last week of April (24 to 30 April). Its main objective is to encourage the use of vaccines to protect people of all ages against diseases. Globally, Immunisation is considered a cost-effective public health