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Your search found 9 Results

  1. 1
    381486

    Progress towards poliomyelitis eradication: Afghanistan and Pakistan, January 2013-August 2014.

    Releve Epidemiologique Hebdomadaire / Section D'hygiene Du Secretariat De La Societe Des Nations. 2014 Oct 31; 89(44):493-9.

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  2. 2
    321121

    UNAIDS practical guidelines for intensifying HIV prevention: Towards universal access.

    Joint United Nations Programme on HIV / AIDS [UNAIDS]

    Geneva, Switzerland, UNAIDS, 2007. [66] p. (UNAIDS/07.07E; JC1274E)

    These Practical Guidelines for Intensifying HIV Prevention: Towards Universal Access are designed to provide policy makers and planners with practical guidance to tailor their national HIV prevention response so that they respond to the epidemic dynamics and social context of the country and populations who remain most vulnerable to and at risk of HIV infection. They have been developed in consultation with the UNAIDS cosponsors, international collaborating partners, government, civil society leaders and other experts. They build on Intensifying HIV Prevention: UNAIDS Policy Position Paper and the UNAIDS Action Plan on Intensifying HIV Prevention. In 2006, governments committed themselves to scaling up HIV prevention and treatment responses to ensure universal access by 2010. While in the past five years treatment access has expanded rapidly, the number of new HIV infections has not decreased - estimated at 4.3 (3.6-6.6) million in 2006 - with many people unable to access prevention services to prevent HIV infection. These Guidelines recognize that to sustain the advances in antiretroviral treatment and to ensure true universal access requires that prevention services be scaled up simultaneously with treatment. (excerpt)
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  3. 3
    187492
    Peer Reviewed

    Success for river blindness control campaign.

    Kerr C

    Lancet Infectious Diseases. 2003 Feb; 3(2):65.

    A 30-year campaign has successfully ended the blight of river blindness in west Africa. This monumental achievement is the result of the Onchocerciasis Control Programme (OCP), established in 1974 under the joint auspices of the United Nations Development Programme, World Bank, WHO, and the UN Food and Agriculture Organization. (author's)
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  4. 4
    184757
    Peer Reviewed

    Transmission intensity index to monitor filariasis infection pressure in vectors for the evaluation of filariasis elimination programmes.

    Sunish IP; Rajendran R; Mani TR; Munirathinam A; Tewari SC

    Tropical Medicine and International Health. 2003 Sep; 8(9):812-819.

    We conducted longitudinal studies on filariasis control in Villupuram district of Tamil Nadu, south India, between 1995 and 2000. Overall, 23 entomological (yearly) data sets were available from seven villages, on indoor resting collections [per man hour (PMH) density and transmission intensity index (TII)] and landing collections on human volunteers [PMH and annual transmission potential (ATP)]. All four indices decreased or increased hand-in-hand with interventions or withdrawal of inputs and remained at high levels without interventions under varied circumstances of experimental design. The correlation coefficients between parameters [PMH: resting vs. landing (r = 0.77); and TII vs. ATP (r = 0.81)] were highly significant (P < 0.001). The former indices from resting collections stand a chance of replacing the latter from landing collections in the evaluation of global filariasis elimination efforts. The TII would appear to serve the purpose of a parameter that can measure infection pressure per unit time in the immediate household surroundings of human beings and can reflect the success or otherwise of control/elimination efforts along with human infection parameters. Moreover, it will not pose any additional risk of new infection(s) and avoids infringement of human rights concerns by the experimental procedures of investigators, unlike ATP that poses such a risk to volunteers. (author's)
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  5. 5
    181183
    Peer Reviewed

    Epidemiology of measles in the central region of Ghana: a five-year case review in three district hospitals.

    Bosu WK; Odoom S; Deiter P; Essel-Ahun M

    East African Medical Journal. 2003 Jun; 80(6):312-317.

    Objective: As part of a national accelerated campaign to eliminate measles, we conducted a study, to define the epidemiology of measles in the Central Region. Design: A descriptive survey was carried out on retrospective cases of measles. Setting: Patients were drawn from the three district hospitals (Assin, Asikuma and Winneba Hospitals) with the highest number of reported cases in the region. Subjects: Records of outpatient and inpatient measles patients attending the selected health facilities between 1996 and 2000. Data on reported measles eases in all health facilities in the three study, districts were also analysed. Main outcome measures: The distribution of measles eases in person (age and sex), time (weekly, or monthly, trends) anti place (residence), the relative frequency, of eases, and the outcome of treatment. Results: There was an overall decline in reported eases of measles between 1996 and 2000 both in absolute terms and relative to other diseases. Females constituted 48%- 52% of the reported 1508 eases in the hospitals. The median age of patients was 36 months. Eleven percent of eases were aged under nine months; 66% under five years and 96% under 15 years. With some minor variations between districts, the highest and lowest transmission occurred in March and September respectively. Within hospitals, there were sporadic outbreaks with up to 34 weekly eases. Conclusion: In Ghana, children aged nine months to 14 years could be appropriately targeted for supplementary, measles immunization campaigns. The best period for the campaigns is during the low transmission months of August to October. Retrospective surveillance can expediently inform decisions about the timing and target age groups for such campaigns. (author's)
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  6. 6
    182222
    Peer Reviewed

    Trachoma.

    Mabey DC; Solomon AW; Foster A

    Lancet. 2003 Jul 19; 362(9379):223-229.

    Trachoma is the most common infectious cause of blindness. It is caused by ocular serovars of Chlamydia trachomatis. Transmission is favoured in poor communities, where crowding is common and access to water and sanitation inadequate. Repeated reinfection over many years causes dense scarring of the upper eyelid. The resultant inversion of the lashes abrades the eyeball, and the abrasion leads to corneal opacification and visual impairment. The host immune response is probably at least partly the cause of this process. The “SAFE” strategy is used for the control of trachoma: surgery for inturned lashes, antibiotics for active disease, facial cleanliness, and environmental improvement. The demonstration that a single oral dose of the antibiotic azithromycin is as effective as 6 weeks of topical tetracycline was an important advance in trachoma control. By means of the SAFE strategy, WHO and its partners aim to eliminate trachoma as a public-health problem by the year 2020. (author's)
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  7. 7
    182218
    Peer Reviewed

    An Ebola epidemic simmers in Africa. In remote region, outbreak shows staying power.

    Thacker PD

    JAMA. 2003 Jul 16; 290(3):317-319.

    An epidemic of Ebola hemorrhagic fever has sputtered along unabated since October 2001 in the dense jungles that span the northern border between Gabon and Congo, raising questions about how health officials respond to outbreaks of the deadly infection. (excerpt)
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  8. 8
    182209
    Peer Reviewed

    Importation and circulation of poliovirus in Bulgaria in 2001. [Importation et circulation du poliovirus en Bulgarie en 2001]

    Kojouharova M; Zuber PL; Gyurova S; Fiore L; Buttinelli G

    Bulletin of the World Health Organization. 2003 Jul; 81(7):476-481.

    Objective: To characterize the circumstances in which poliomyelitis occurred among three children in Bulgaria during 2001 and to describe the public health response. Methods: Bulgarian authorities investigated the three cases of polio and their contacts, conducted faecal and serological screening of children from high-risk groups, implemented enhanced surveillance for acute flaccid paralysis, and conducted supplemental immunization activities. Findings: The three cases of polio studied had not been vaccinated and lived in socioeconomically deprived areas of two cities. Four Roma children from the Bourgas district had antibody titres to serotype 1 poliovirus only, and wild type 1 virus was isolated from the faeces of two asymptomatic Roma children in the Bourgas and Sofia districts. Poliovirus isolates were related genetically and represented a single evolutionary lineage; genomic sequences were less than 90% identical to poliovirus strains isolated previously in Europe, but 98.3% similar to a strain isolated in India in 2000. No cases or wild virus isolates were found after supplemental immunization activities were launched in May 2001. Conclusions: In Bulgaria, an imported poliovirus was able to circulate for two to five months among minority populations. Surveillance data strongly suggest that wild poliovirus circulation ceased shortly after supplemental immunization activities with oral poliovirus vaccine were conducted. (author's)
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  9. 9
    182917

    Hepatitis B in St Petersburg, Russia (1994-1999): incidence, prevalence and force of infection.

    Beutels P; Shkedy Z; Mukomolov S; Aerts M; Shargorodskaya E

    Journal of Viral Hepatitis. 2003 Mar; 10(2):141-149.

    Hepatitis B (HB) is thought to be an expanding health problem in Russia. The incidence of infection was estimated from mandatorily reported HB cases in St Petersburg. The two-sided t-test for independent samples and the LOESS (locally-weighted regression) smoother were used to compare the age at infection for symptomatic, asymptomatic and chronic infections, by gender. The force of infection was estimated from seroprevalence data (907 sera taken in 1999) using a newly developed nonparametric method based on local polynomials, as well as an earlier method based on isotonic regression and kernel smoothers. With the local polynomial method, pointwise confidence intervals (95%) were constructed by bootstrapping. On average, men contracted HB infection at a significantly younger age than women (in 1999, 21.8 vs 22.7 years, respectively). The overall male to female ratio was 1.92. In 1999 the overall incidence almost doubled compared with the preceding years and tripled among the age groups with highest incidence (15–29-year olds: 85% of cases in 1999). The incidence increase was associated with a lower average age at infection (24.1 years in 1994 vs 22.1 years in 1999). The age and gender-specific force of infection estimates generally confirmed the incidence estimates and emphasized the usefulness of local polynomials to do this. Hence HB transmission in St Petersburg occurs mainly in young adults. The dramatic increase of infections in 1999 was probably due to injecting drug use. Without intervention, HB virus is expected to continue to spread rapidly with a greater proportion of female infections caused by sexual transmission. These trends may also provide an indication for HIV transmission. (author's)
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