Herd Immunity
Acceptability of a herd immunity focused, transmission blocking malaria vaccine in malaria endemic communities in the Peruvian Amazon: an exploratory study
... a herd-immunity- focused, transmission-blocking malaria vaccine that does not directly protect recipients against malaria infection, we found that members of six malaria-hypoendemic communities in the ...
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Vaccine induced herd immunity for control of respiratory syncytial virus disease in a low income country setting
... The potential impact of vaccination of older children (including groups such as elder siblings) will depend upon the degree of direct and indirect protection due to the intervention. There are clear direct benefits to be ...
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Herd Immunity to GII.4 Noroviruses Is Supported by Outbreak Patient Sera
... of anti-GII.4 IgG that also effectively blocked GII.4-1997 VLP binding to HBGAs to about the same degree as GII.4 pan- demic-period sera blocked GII.4-1997. GII.4 pandemic sera did not, however, block HBGA binding of the ...
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HUMAN TOSILLITIS ASSOCIATED CRYGLOBULIN RESPONSES CAN PROBE HERD IMMUNITY
... human herd of 30 pediatric tonsillitis patients were elected for study of cryoglonulin responses using cryocrit percentages, cryprotein concentration and IgG cryglobulin ...The herd cryglobulin response ...
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The Role of Herd Immunity in Parents’ Decision to Vaccinate Children: A Systematic Review
... known about the extent to which parents consider bene fi t to others when making immunization decisions. As expectations continue to increase for clear communication from health care providers to parents about health ...
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Continued reduction in HPV prevalence and early evidence of herd immunity following the human papillomavirus vaccination programme in Scotland
... of herd immunity to vaccine-type HPV have shown evidence for potential development of herd immunity in the nonvac- cinated population ...of herd immunity have been published, ...
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Genetic Mapping of a Highly Variable Norovirus GII.4 Blockade Epitope: Potential Role in Escape from Human Herd Immunity
... Noroviruses account for 96% of viral gastroenteritis cases worldwide, with GII.4 strains responsible >80% of norovirus out- breaks. Histo-blood group antigens (HBGAs) are norovirus binding ligands, and antigenic and ...
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The Economics of Routine Childhood Hepatitis A Immunization in the United States: The Impact of Herd Immunity
... for herd-immunity effects, the costs of routine immu- nization would average $32 000 per quality-adjusted life-year gained for the first 10 cohorts immunized starting with the 2005 birth ...cohort. ...
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Herd immunity alters the conditions for performing dose schedule comparisons: an individual based model of pneumococcal carriage
... of herd immunity runs counter to the usual pattern in vaccine trials using incidence as an endpoint, wherein reduced incidence in all trial arms may occur due to herd immunity, but the ...
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The uncertainties underlying herd immunity against COVID-19
... Maintaining the balance between the economic repercussions of the restrictions and saving the human lives and livelihoods is a social, ethical, and political debate during the present pandemic. Subsequent to the ...
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Rotavirus vaccination and herd immunity: an evidence-based review
... countries. Herd immunity – the indirect protection of unimmunized individuals as a result of others being immunized – was not expected to be a benefit of rotavirus vaccination programs since the vaccines ...
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Herd Immunity: A Realistic Target?
... that herd immunity as achieved in former measles and rubella vaccination campaigns (95% coverage) will not be achieved ...strong herd effects. The magnitude and duration of these herd effects ...
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Serological assessment of the establishment of herd immunity against measles in a health district in Malaysia
... Results: Seropositive rate for all respondents were 87% (95% CI 85 – 89), while the rest had either indeterminate [6% (95% CI 5 – 7)] or negative titre [7% (95% CI 6 – 8)]. None of the factors analyzed except for age ...
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Features of Herd Immunity Against Hepatitis B (HBV) in the Territory of Republic of Sakha (Yakutia), Russian Federation
... Among the surveyed adult population HBsAg was found in 6.5% of cases, a marker of infection aHVcorJgG - in 44% of cases, this suggests that in this locality (v. Homustah) epidemiological situation of hepatitis B is ...
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Early infections by myxoma virus of young rabbits (Oryctolagus cuniculus) protected by maternal antibodies activate their immune system and enhance herd immunity in wild populations
... acquired immunity without the cost of a severe disease [17-20], as initially proposed by Zinkernagel ...Maternal immunity may also have long-term effects: even in the absence of early infection, individuals ...
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An update of “Cost effectiveness of rotavirus vaccination in the Netherlands: the results of a Consensus Rotavirus Vaccine model”
... We updated our initial analysis of the cost-effectiveness of rotavirus vaccination in the Netherlands [1]. We con- cluded that at the assumed total vaccination cost of €75 per child the new hospitalization data and ...
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System Engineering and Overshoot Damping for Epidemics Such as COVID-19
... The articulation of a clear, achievable and worthwhile goal alone might maintain compliance. But if unrealistic goals are hidden behind near term projections, compliance may plummet. For that reason our model is ...
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An Introduction to The Basic Reproduction Number in Mathematical Epidemiology★
... model fitting collected data is a challenging work, this approach is extensively used in practical situations to prevent outbreaks of current diseases, oftenly using the SIR model through several various versions. For ...
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The impact of specific and non-specific immunity on the ecology of Streptococcus pneumoniae and the implications for vaccination
... non-specific immunity to be short-lived and partially protective, in particular the suscep- tibility for acquisition of another serotype is reduced during carriage according to the fitness rank of the most fit ...
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-adic (treelike) diffusion model for covid-19
... Figure 2: Asymptotic behavior of probability to become immune; increasing of herd immunity (for fixed social temperature T, the upper graphs corre- spond to one-step barrier growth 10 an[r] ...
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