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Clinical features and pathobiology of Ebolavirus
Clinical features and pathobiology of Ebolavirus

... can also only be performed in laboratories that have BSL-4 facilities. The fact that Ebolavirus infection of nonhuman primates leads to essentially similar clinical manifestations as humans infected with Ebolaviruses, it is safe to assume that the findings in the nonhuman primates have direct implica ...
Immune diseases And Children
Immune diseases And Children

... Sensitivity to immunotoxicants may produce a wide spectrum and severity of effects. Different and unpredictable arrays of alterations may be expected when the exposure occurs in utero or in the early neonate versus the adult exposure. A number of chemicals produce different ranges or severities of o ...
lymphpower point
lymphpower point

... Artificial Acquired Immunity ____________________________ Being vaccinated / immunized ____________________________ (antigen injected to stimulate ____________________________ production of antibodies) ____________________________ ______________ ...
Chicken Pox Fact Sheet
Chicken Pox Fact Sheet

... In unvaccinated children, chickenpox most commonly causes an illness that lasts about 5-10 days. Children usually miss 5 or 6 days of school or childcare due to their chickenpox and have symptoms such as high fever, severe itching, an uncomfortable rash, and dehydration or headache. In addition, abo ...
Understanding Immunity by Tracing Thymocyte Development
Understanding Immunity by Tracing Thymocyte Development

... qwq hsv lsc qgt yyd fid ekw pai wag weq vek hhy ctt yae tek emt ste fcd mvq kih lfa pwr ftc fmp ikv egs gyq ewe acw iin mgg das npd iih qhe mqe shf ynw psd kpl ryv eam vha vli vcy mki hsa ncw tsk kyc ikg nmi hrr cem clc vkd slk ena cnw dcp dmf svl ilp pkh ekl fia caw gsn are aiw vdm hhi vel gsy lth ...
Changes to MenC conjugate vaccine schedule
Changes to MenC conjugate vaccine schedule

... direct protection to infants with the 12m booster Individual protection in young children wanes A booster dose for adolescents will provide longer-term protection and maintain herd protection to help protect infants and younger children To protect freshers (temporary catch up for new starters at uni ...
History of Immunology
History of Immunology

...  Protection from legal prosecution  Now, in medical terms, it denotes resistance to reinfection/free of disease. ...
Vaccines
Vaccines

... than that for invasive disease. • Children with weakened immune systems may have a reduced immune response to Prevnar 13®. • A temporary pause of breathing following vaccination has been observed in some infants born prematurely. • The most commonly reported serious adverse events include bronchioli ...
Impact of rotavirus vaccination - ECDC
Impact of rotavirus vaccination - ECDC

... Rotavirus (RV) is the most common cause of gastroenteritis in children worldwide. It has been estimated that by the age of five years, nearly every child in the world has been infected with RV at least once. Studies suggest that RV infections lead to approximately 700 000 outpatient visits resulting ...
Fast Facts About DAPTACEL Vaccine
Fast Facts About DAPTACEL Vaccine

... • Pertussis: Pertussis (whooping cough) is a highly infectious disease, which means it is easily spread. It causes severe spells of coughing that may interfere with normal breathing. The coughing is often accompanied by a “whooping” sound. Pertussis can also cause pneumonia, seizures, brain damage, ...
Linking immune defenses and life history at the
Linking immune defenses and life history at the

... previous proposals, I create a framework integrating immunological and life history axes that can be used to formulate predictions and interpret variation in multiple types of immune defense at both the individual and species levels in vertebrates. In particular, this framework predicts that “fast-l ...
Annex 4 Vaccine Adverse Event Reporting
Annex 4 Vaccine Adverse Event Reporting

... www.bt.cdc.gov/agent/smallpox/response-plan/files/guide-b-part1of3.pdf www.bt.cdc.gov/agent/smallpox/response-plan/files/guide-b-part2of3.pdf www.bt.cdc.gov/agent/smallpox/response-plan/files/guide-b-part3of3.pdf ...
The role of lysosomal cysteine proteases in crustacean immune
The role of lysosomal cysteine proteases in crustacean immune

... to solve this problem. Immune response, as all physiological functions, evolved gradually from a relatively simple immune system to more intricate and complex forms (Kaufman, 2010). Immunity in vertebrates involves two mechanisms: innate and adaptive immunity. For a long time, studies have demonstra ...
MECHANISMS OF IMMUNE RESPONSES IN CNIDARIANS
MECHANISMS OF IMMUNE RESPONSES IN CNIDARIANS

... The immune system maintains the integrity of the organisms through a complex network of molecules, cells, and tissues that recognize internal or external antigenic substances to neutralized and eliminate them. The mechanisms of immune response have evolved in a modular fashion, where members of a gi ...
- Journal of Allergy and Clinical Immunology
- Journal of Allergy and Clinical Immunology

... Laboratory evaluation of vaccine (functional antibody) responses and interpretation As previously discussed, the 2 main categories of vaccine responses assessed include protein and polysaccharide vaccines. Because the majority of patients are likely to have received diphtheria and tetanus vaccinatio ...
IMMUNE RESPONSES AGAINST MYCOBACTERIUM
IMMUNE RESPONSES AGAINST MYCOBACTERIUM

... Different clinical outcomes, such as the asymptomatic phase during infection or the symptomatic stage during active disease leads to activation and expansion of cellular immune responses in order to control the infection. This process of latency and active TB infection is a highly dynamic interactio ...
How might infant and paediatric immune responses influence
How might infant and paediatric immune responses influence

... emphasizes the need for functional antibody assays and thoughtful design of malaria vaccine antigens. By extending the analysis of longitudinal sero-reactivity profiles, the kinetics of the antibody-parasite interaction could be used to determine the rate of parasite clearance and the duration of hi ...
REVIEW ARTICLE - Hepatitis Monthly
REVIEW ARTICLE - Hepatitis Monthly

... effective health education can cause an increase in the number of susceptible populations which could result in an outbreak and become a problem in many developed countries especially in schools, day care centers and among high risk groups. A recent report from South Korea showed that outbreaks of h ...
The Benefits on Human Health by Supplementing Proline
The Benefits on Human Health by Supplementing Proline

... To demonstrate the efficacy of PRP in lessening Th2 over-activity an experiment was performed on guinea pigs sensitized to egg protein. Exposure to egg protein resulted in development of acute phase bronchial spastic reaction in 100% of animals, 50% of whom died from suffocation. The duration of acu ...
Fish vaccination against infections by Streptococcal species and the
Fish vaccination against infections by Streptococcal species and the

... environment and the consumer have to be addressed. As the DNA-sequence encodes only a single viral gene, there should be no possibility of reversion to virulence, which is a critical factor in relation to environmental safety in aquaculture (Gudding et al., 1999). Adjuvants in the vaccines formulati ...
Steedman2015-1090-R1-jebFinal
Steedman2015-1090-R1-jebFinal

... maternal health and reducing child mortality, millions of mothers and newborns still die tragically and unnecessarily each year. Many of these deaths result from vaccinepreventable diseases, where obstacles such as cost and accessibility have hampered efforts to deliver efficacious vaccines to those ...
system defence system defence - Pro
system defence system defence - Pro

... ability to maintain a healthy digestive system by eliminating bad bacteria and with 70% of the immune system located in the digestive tract this is a fundamental aspect of maintaining optimal health. Inulin helps support the growth of beneficial bacteria in the digestive system to help eliminate tox ...
Immunity and the emergence of individuality
Immunity and the emergence of individuality

... argument pertains rather to evolutionary biology: it says that the immune system is one of the main “policing” mechanisms in living individuals, that is, one of the main mechanisms by which a high-level individual (typically, a multicellular organism) prevents the emergence of variants having a diff ...
- Philsci
- Philsci

... argument pertains rather to evolutionary biology: it says that the immune system is one of the main “policing” mechanisms in living individuals, that is, one of the main mechanisms by which a high-level individual (typically, a multicellular organism) prevents the emergence of variants having a diff ...
Immune responses to human papilloma viruses
Immune responses to human papilloma viruses

... in cervico-vaginal lavages) is extremely common in young sexually active women with a cumulative prevalence of 60-80 per cent12. Most of these HPV infections “clear” i.e., DNA for that specific HPV type can no longer be detected. The time taken to clearance for the hrHPVs particularly HPV 16 seems o ...
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Herd immunity



Herd immunity (also called herd effect, community immunity, population immunity, or social immunity) is a form of indirect protection from infectious disease that occurs when a large percentage of a population has become immune to an infection, thereby providing a measure of protection for individuals who are not immune. In a population in which a large number of individuals are immune, chains of infection are likely to be disrupted, which stops or slows the spread of disease. The greater the proportion of individuals in a community who are immune, the smaller the probability that those who are not immune will come into contact with an infectious individual.Individual immunity can be gained through recovering from a natural infection or through artificial means such as vaccination. Some individuals cannot become immune due to medical reasons and in this group herd immunity is an important method of protection. Once a certain threshold has been reached, herd immunity will gradually eliminate a disease from a population. This elimination, if achieved worldwide, may result in the permanent reduction in the number of infections to zero, called eradication. This method was used for the eradication of smallpox in 1977 and for the regional elimination of other diseases. Herd immunity does not apply to all diseases, just those that are contagious, meaning that they can be transmitted from one individual to another. Tetanus, for example, is infectious but not contagious, so herd immunity does not apply.The term herd immunity was first used in 1923. It was recognized as a naturally occurring phenomenon in the 1930s when it was observed that after a significant number of children had become immune to measles, the number of new infections temporarily decreased, including among susceptible children. Mass vaccination to induce herd immunity has since become common and proved successful in preventing the spread of many infectious diseases. Opposition to vaccination has posed a challenge to herd immunity, allowing preventable diseases to persist in or return to communities that have inadequate vaccination rates.
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