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Introducing seasonal influenza vaccine in low‐income countries: an adverse events following immunization survey in the Lao People's Democratic Republic 下载免费PDF全文
Manilay Phengxay Sara A. Mirza Rita Reyburn Anonh Xeuatvongsa Christian Winter Hannah Lewis Sonja J. Olsen Reiko Tsuyuoka Viengphone Khanthamaly Francisco S. Palomeque Joseph S. Bresee Ann C. Moen Andrew L. Corwin the Lao PDR Field Epidemiology Training Cohort Team 《Influenza and other respiratory viruses》2015,9(2):94-98
Objective
In 2012, Lao PDR introduced seasonal influenza vaccine in pregnant women, persons aged ≥50 years, persons with chronic diseases, and healthcare personnel. We assessed adverse events following immunization (AEFI).Methods
We used a multistage randomized cluster sample design to interview vaccine recipients.Findings
Between April and May 2012, 355 902 were vaccinated. Of 2089 persons interviewed, 261 (12·5%) reported one or more AEFI. The most commonly reported AEFIs were local reactions. No hospitalizations or deaths were reported; 16% sought medical care. Acceptance and awareness of vaccination were high.Conclusions
Following the introduction of seasonal influenza vaccine in Lao PDR, self-reported adverse events were mild. 相似文献2.
Understanding male sexual behaviour in planning HIV prevention programmes: lessons from Laos, a low prevalence country 下载免费PDF全文
Toole MJ Coghlan B Xeuatvongsa A Holmes WR Pheualavong S Chanlivong N 《Sexually transmitted infections》2006,82(2):135-138
METHODS: Focus group discussions were conducted with a range of young men in Vientiane, Laos; interviews were conducted with male sex workers. A questionnaire survey was conducted with a purposive sample of 800 young men. RESULTS: Most young men initiate sex at an early age and have multiple sex partners. Married men are more likely to pay for sex and most sex for money is negotiated in non-brothel settings. Despite high reported condom use for last intercourse with a casual partner, decisions on condom use are subjective. Many men have extramarital sex when their partner is pregnant and post partum. 18.5% of men report having had sex with another man; most of these men also report having sex with women. Moreover, more men report having had anal sex with a woman than with a man. CONCLUSIONS: Although not a probability sample survey, this study of a broad range of young men in Vientiane reveals sexual behaviours that could lead to accelerated HIV transmission. Education should emphasise the need to use condoms in all sexual encounters outside the primary relationship. This needs special emphasis when the partner is pregnant or post partum. Advice on safe sex with other men needs to be integrated into all sexual health education for young men. 相似文献
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Catherine Satzke Eileen M. Dunne Molina Choummanivong Belinda D. Ortika Eleanor F.G. Neal Casey L. Pell Monica L. Nation Kimberley K. Fox Cattram D. Nguyen Katherine A. Gould Jason Hinds Anisone Chanthongthip Anonh Xeuatvongsa E. Kim Mulholland Vanphanom Sychareun Fiona M. Russell 《Vaccine》2019,37(2):296-305
Pneumococcal carriage is a prerequisite for disease, and underpins herd protection provided by pneumococcal conjugate vaccines (PCVs). There are few data on the impact of PCVs in lower income settings, particularly in Asia. In 2013, the Lao People's Democratic Republic (Lao PDR) introduced 13-valent PCV (PCV13) as a 3?+?0 schedule (doses at 6, 10 and 14?weeks of age) with limited catch-up vaccination. We conducted two cross-sectional carriage surveys (pre- and two years post-PCV) to assess the impact of PCV13 on nasopharyngeal pneumococcal carriage in 5–8?week old infants (n?=?1000) and 12–23?month old children (n?=?1010). Pneumococci were detected by quantitative real-time PCR, and molecular serotyping was performed using DNA microarray. Post PCV13, there was a 23% relative reduction in PCV13-type carriage in children aged 12–23?months (adjusted prevalence ratio [aPR] 0.77 [0.61–0.96]), and no significant change in non-PCV13 serotype carriage (aPR 1.11 [0.89–1.38]). In infants too young to be vaccinated, there was no significant change in carriage of PCV13 serotypes (aPR 0.74 [0.43–1.27]) or non-PCV13 serotypes (aPR 1.29 [0.85–1.96]), although trends were suggestive of indirect effects. Over 70% of pneumococcal-positive samples contained at least one antimicrobial resistance gene, which were more common in PCV13 serotypes (p?<?0.001). In 12–23?month old children, pneumococcal density of both PCV13 serotypes and non-PCV13 serotypes was higher in PCV13-vaccinated compared with undervaccinated children (p?=?0.004 and p?<?0.001, respectively). This study provides evidence of PCV13 impact on carriage in a population without prior PCV7 utilisation, and provides important data from a lower-middle income setting in Asia. The reductions in PCV13 serotype carriage in vaccine-eligible children are likely to result in reductions in pneumococcal transmission and disease in Lao PDR. 相似文献
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Holmes W Hoy D Lockley A Thammavongxay K Bounnaphol S Xeuatvongsa A Toole M 《Asia Pacific journal of clinical nutrition》2007,16(3):537-545
In two remote northern provinces of the Lao People's Democratic Republic, provincial and district teams were trained and subsequently conducted a qualitative study using a participatory approach to investigate people's knowledge, attitudes, beliefs and practices in relation to women's and children's nutrition. Using focus group discussions, key informant interviews, and structured observation, the teams found that certain nutrition behaviours, including food taboos, may contribute to the high prevalence of child malnutrition and micronutrient deficiencies in these northern provinces. Ethnic groups gave details of nutrition-related beliefs and practices; the teams found that many of these are likely to be amenable to change through relatively low-cost nutrition promotion informed by these findings. In particular, barriers to exclusive breastfeeding, food taboos and hygiene behaviour could be addressed. The study also demonstrated that with appropriate training, supervision and support, local teams are able to plan and conduct a large-scale qualitative study. 相似文献
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