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Query: UMLS:C0348321 (Haemophilus)
 15,372 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

Acute respiratory infections (ARI) cause more than four million childhood deaths each year in developing countries. In addition to standard case management, vaccines have a great potential for reducing these deaths. Immunization against measles and pertussis, already reaching more than 70% of infants in developing countries, contributes to the prevention of more than one million childhood deaths. New conjugate vaccines against Haemophilus influenzae type b, if shown to be effective against pneumonia in developing countries, could reduce acute lower respiratory infection (ALRI) deaths by 4%. A further 10% reduction could be obtained by the availability of an effective conjugate vaccine against Streptococcus pneumoniae. A safe vaccine against respiratory syncytial virus could also prevent 10% of ALRI deaths. The potential role of other bacterial and viral vaccines needs to be clarified.
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PMID:Current role of vaccination in preventing acute respiratory infections in children in developing countries. 819 21

In the United States, children are routinely vaccinated against nine diseases--diphtheria, Haemophilus influenzae type b (Hib), hepatitis B, measles, mumps, pertussis, poliomyelitis (paralytic), rubella, and tetanus. Based on public health surveillance and epidemiologic assessment of most of these diseases, the impact of childhood vaccination on reported occurrence has been substantial: provisional surveillance data for 1993 indicate that for five of these diseases and for congenital rubella syndrome (CRS), the number of reported cases is at or near the lowest levels ever, suggesting near interruption of transmission of these diseases. This report presents provisional data for December 1993 for these 10 diseases, compares provisional data for 1993 with final data for 1992, and describes the Childhood Immunization Initiative (CII).
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PMID:Reported vaccine-preventable diseases--United States, 1993, and the childhood immunization initiative. 829 25

The immunization status of active duty pediatric dependents served by the National Naval Medical Center was surveyed to estimate the degree to which this group was in compliance with immunization requirements. Four hundred sixteen patients who presented consecutively to a pediatric acute care clinic had their medical and immunization records screened. Ten percent of patients did not have complete records of immunization. Of the 375 patients remaining, 52 (13.9%) were deficient in one or more required immunizations based on their current age. The highest rates of delay were seen for the Haemophilus influenza vaccine followed by measles, mumps, rubella, and diphtheria, tetanus, and pertussis. The most common reason for missing immunizations was parental unfamiliarity with the recommended schedule. This study suggests that a significant number of dependents in our catchment area were delayed in immunization and that accurate record keeping and patient education about immunizations needs to be improved.
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PMID:Immunization status of a military dependent population. 836 91

Active immunization against measles, Haemophilus influenza B, tetanus, diphtheria, hepatitis B, influenza, poliomyelitis, and, when indicated varicella and pneumococcus induces long-lasting immunologic protection in most healthy pediatric vaccine recipients. Among children receiving immunosuppressive therapy for cancer, possible early loss of specific immunity acquired from prior vaccination or disease, and likely diminished responsiveness to initial or booster vaccination must be considered. In addition, the safety of vaccine administration requires separate study in this population. Published evidence demonstrates preservation of vaccine-induced antibody titers against tetanus, diphtheria, poliomyelitis and (in children treated for lymphoma) pneumococcus. In contrast, prior immunity to varicella, influenza, and hepatitis B (when naturally acquired), and measles (acquired by vaccination) is compromised during and/or after antineoplastic therapy. Studies of immunologic protection acquired by prior vaccination against hepatitis B, varicella, and H influenza have not been published. The safety of administering toxoids and inactivated vaccines in this population is well documented. In contrast, morbidity must be expected if live attenuated vaccines (oral polio vaccine, attenuated measles vaccine or attenuated varicella vaccine) are administered to children receiving anti-cancer therapy. The risks of using live vaccines should be measured against demonstrable benefits in any vaccine program. The response to initial or booster immunizations against tetanus and diphtheria are similar to those in healthy children. For all other immunizations reviewed, responsiveness is diminished during periods of chemotherapy, more strikingly in children treated for leukemia than for solid tumors. Antibody responses to these vaccines range from slightly blunted (in the case of H influenza B) to marginal (influenza) or completely useless (pneumococcus and hepatitis B in children treated for leukemia).
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PMID:Active immunization of children with leukemia and other malignancies. 847 77

In a 9-month surveillance of the microbial agents causing acute lower respiratory infections (ALRI) in hospitalized preschool Nigerian children, 24 bacterial isolates were made from 22 (33 per cent) out of 66 blood cultures, including seven (70 per cent) of the 10 cultures from subjects with pleural effusion. Of the 24 positive isolates, Staphylococcus aureus accounted for 14 (58 per cent), Klebsiella pneumoniae for four (17 per cent), Streptococcus pneumoniae and Staphylococcus albus for two (8 per cent) each, and Haemophilus influenzae for only one case. Seven subjects had a mixed aetiology, comprising one bacteraemic case with measles and six with concomitant viral identifications. Sixteen cases, 10 (63 per cent) of whom were malnourished, had two or more pathogens, including 10 with multiple viruses. Bacterial isolates from the throat, were not significantly predictive of the ALRI aetiology. Overt malnutrition, empyema, and anaemia, were significantly commoner in bacteraemic cases (P < 0.03, 0.01, and 0.05), while rhinorrhoea and crepitations were each associated with the non-bacteraemic ones. (P = 0.05 and < 0.05). A similar association was shown between rhinorrhoea, wheezing/rhonchi and the mixed aetiological group (P < 0.05 and 0.05, respectively). The case-fatality in bacteraemic subjects, was 9 per cent and was 2.1 times higher than that for non-bacteraemic cases, in whom a shorter mean duration of admission was recorded. In developing countries, the need for periodic local surveillance of ALRI pathogens, as a prerequisite for evolving rational antimicrobial policies, is emphasized. Our findings underscore the predictive importance of malnutrition as a risk-factor of severe bacteraemic ALRI, frequently associated with multiple pathogens. The relative usefulness of blood culture in identifying bacterial agents of ALRI is discussed.
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PMID:Bacterial aetiology of acute lower respiratory infections in pre-school Nigerian children and comparative predictive features of bacteraemic and non-bacteraemic illnesses. 849 72

At present there is a shortage of data regarding the rate of routine immunization in Swiss children. To address this deficit, a representative cross sectional study was conducted in the Canton of Zurich with 210 children aged between 24 and 36 months. Data was taken from the individual official vaccination certificates. 178 vaccination certificates (55.1% female and 44.9% male) were evaluated, corresponding to a response rate of 84.8%. With children of foreign nationalities, the response rate was 66.7%, whereas the response rate of Swiss children was 90.6% (p < 0.001). The response rate of children of a European nationality outside the European Union was especially poor (33.3%). The immunization rate with three doses of diphtheria, tetanus and poliomyelitis vaccines was 99.4%, and that of the pertussis vaccine was 93.3%. With the vaccines for measles, mumps and rubella the rates were 80.3%, 78.1% and 77.5% respectively. Vaccination rate against Haemophilus influenzae type B was 74.7% with two doses, and 61.2% with three doses. The timing and the number of doses of the vaccines used for infants in the Canton of Zurich were satisfactory. However, the vaccination rate for measles, mumps and rubella is inadequate. Attention should be paid to this problem and also to possible insufficient care of foreign children.
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PMID:[Routine immunization of infants in the Canton of Zurich]. 857 Nov 9

By 1995, measles, mumps, and rubella were eliminated from Finland, acellular vaccines for pertussis were showing great promise, and the global eradication of poliomyelitis by the year 2000 looked possible. The meningococcus was replacing Haemophilus influenzae type b as the main cause of childhood meningitis, and 75 countries were vaccinating their children against hepatitis B. The United States recommended varicella vaccination for children, effective vaccines were available for hepatitis A, and new vaccines for rotavirus and cholera were being tested; malaria and HIV offer a continuing challenge.
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PMID:Update on immunization. 868 May 9

A cross-sectional, population-based, cluster-sample survey of 187 children was conducted in the Newcastle area to assess the proportion of two-year-old children who were fully immunised, to ascertain whether administration of these vaccines was age-appropriate and to look for factors predicting incomplete immunisation. Parents or guardians were interviewed at their homes and the immunisation status of the children was verified either by the parent-held record or by the immunisation-provider-held record. Levels of full immunisation were 77 per cent at the time of interview and 72 per cent at the second birthday if Haemophilus influenzae type b (Hib) vaccine was excluded. If it was included, the full immunisation level was 51 per cent. Coverage was highest for oral polio vaccine and lowest for Hib vaccine. Twenty-nine per cent of all immunisations were given early, 44 per cent were given on time and 20 per cent were given late. Doses of vaccines due at older ages were more likely to be given late or not at all. Factors predicting incomplete immunisation were: the principal caregiver being aged under 25 years, being born outside Australia, having post-secondary qualifications, being female and having more than one child in the household. Immunisation coverage levels were not high enough to protect against outbreaks of pertussis and measles and cases of Haemophilus influenzae type b. Immunisation providers should aim to increase coverage to protect the population against all vaccine preventable diseases, and aiming at high-risk groups could more effectively do this.
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PMID:A population-based survey of immunisation coverage in two-year-old children. 871 95

Immunization against Haemophilus influenzae b and hepatitis B during infancy, as well as the administration of a second dose of measles-mumps-rubella vaccine around the age of 12, are the significant additions brought to the childhood immunization program in recent years. The availability in the near future of the acellular pertussis vaccines illustrates the efforts made to reduce the side effects associated with the use of some vaccines. The high cost of these acellular vaccines, together with the absence of combined Haemophilus influenzae or hepatitis B vaccines, represent their current limitations.
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PMID:[Vaccination of children in 1996]. 892 55

The purpose of the study was to assess vaccination coverage of 2-year-olds and estimate immunization practices in Canada using a postal survey with a panel of 862 households. RIM weighting was used to provide national estimates. 95% CIs were calculated using the binomial method. Completed questionnaires were received for 534 children born between February 1991 and January 1992. Thirty nine percent of children had received all/most of their vaccinations at a public health clinic. Overall 5.6% parents indicated they had their child immunized because it was mandatory and 7.4% because of requirements for school, pre-school, nursery or day care attendance. A total of 78.7% of parents remembered receiving information on benefits of immunizations and 97% on the risks/side-effects. By their second birthday, 83.7% (95% CI 80.3-86.7) of 2-year-olds had received complete immunization against poliomyelitis; 97.2% (95% CI 95.4-98.4), at least one dose of a measles containing vaccine; 86.5% (95% CI 83.3-89.3), at least one dose of Haemophilus influenzae type b vaccine; and 81.6% (95% CI 78.1-84.8), at least, four doses of diphtheria, tetanus and pertussis vaccine.
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PMID:Vaccination coverage of 2-year-old children and immunization practices--Canada, 1994. 904 62


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