نتایج جستجو برای: mass vaccination
تعداد نتایج: 535063 فیلتر نتایج به سال:
BACKGROUND Inequalities in cervical cancer may be increased following mass vaccination against the human papillomavirus (HPV) if girls with low vaccine uptake also have low future participation in cervical cancer screening. We evaluated how vaccine uptake distribution affects inequalities in squamous cell carcinoma (SCC) incidence between groups with different screening participation. METHODS...
On 28 January 1997, three clinical cases of measles among students attending Simon Fraser University (SFU) were reported to the British Columbia Centre for Disease Control. These cases were subsequently confirmed by the presence of measles-specific IgM on acute serology. Because several more clinical and suspect cases had been identified by the following day, a decision was made to offer measle...
BACKGROUND The rollout of the group A meningococcal vaccine, PsA-TT, in Africa's meningitis belt countries represented the first introduction of a vaccine specifically designed for this part of the world. During the first year alone, the number of people who received the vaccine through mass vaccination campaigns was several hundredfold higher than that of subjects who participated in the close...
The current WHO policy during measles outbreaks focuses on case management rather than reactive vaccination campaigns in urban areas of resource-poor countries having low vaccine coverage. Vaccination campaigns may be costly, or not timely enough to impact significantly on morbidity and mortality. We explored the time available for intervention during two recent epidemics. Our analysis suggests...
Rubella virus infection can lead to problems with congenital rubella syndrome (CRS) in the next generation due to fetal infection, but these problems are preventable with vaccination. In other words, rubella epidemics and the occurrence of CRS can be eliminated by vaccination. In Japan, until recently, rubella epidemics occurred every 5 years, and there were at least 1,600 CRS cases between 196...
Based on a wide range of primary materials, including WHO reports and Colonial Office correspondence, this article examines the UNICEF/WHO-funded mass BCG campaigns that were carried out in seven Caribbean colonies between 1951 and 1956. It explores the reasons behind them, their nature and aftermath and also compares them to those in other non-European countries and discusses them within a con...
Spray application of Mycoplasma gallisepticum (MG) vaccines is a labor- and time-saving means of mass vaccination of layer chickens. Recent assessment of spray characteristics of nozzles commonly used to apply MG vaccine in layer chicken operations has shown that the amount of respirable droplets (< 5 microm) is negligible. Topical application of vaccine onto the eye surface has been suggested ...
Resurgence of yellow fever epidemics in Côted'Ivoire remains a major problem of public health. To describe this disease through the early alarm system of National Institute of Public Hygiene (NIPH) is convenient to us. This is a cross-sectional study with descriptive aiming, which proceeded with epidemiological surveillance service of NIPH. The data were collected over 7 years (from 2001 to 200...
Within the past 4 years, poliomyelitis outbreaks associated with circulating vaccine-derived polioviruses (cVDPVs) have occurred in Hispaniola (2000-01), the Philippines (2001), and Madagascar (2001-02). Retrospective studies have also detected the circulation of endemic cVDPV in Egypt (1988-93) and the likely localized spread of oral poliovirus vaccine (OPV)-derived virus in Belarus (1965-66)....
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