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Fulltext Assessing the cost burden of dengue infection to households in Seremban, Malaysia

Mia MS, Begum RA, Er AC, Pereira JJ

Southeast Asian J. Trop. Med. Public Health, 2016 Nov;47(6):1167-76.
PMID: 29634177

Dengue is endemic in all parts of Malaysia. However, there is limited data regarding the cost burden of this disease at household level. We aimed to
examine the cost of dengue infection at the household level in Seremban District,
Malaysia. This cost assessment can provide an insight to policy-makers about
economic impact of dengue infection in order to guide and prioritize control strategies.
The data were collected via interview. We evaluated120 previous dengue
infection patients registered at the Tuanku Ja’afar Hospital, Seremban District,
Malaysia. The average duration of dengue illness was 9.69 days. The average
household days lost was 18.7; students lost an average of 6.3 days of school and
patients and caregivers lost an average of 12.5 days of work. The mean total cost
per case of dengue infection was estimated to be USD365.16 with the indirect
cost being USD327.90 (89.8% of the total cost) and the direct cost being USD37.26
(10.2% of the total cost). Our findings suggest each episode of dengue infection
imposes a significant financial burden at the household level in Seremban District,
Malaysia; most of the burden being indirect cost. This cost needs to be factored
into the overall cost to society of dengue infection. This data can inform policy
makers when allocating resources to manage public health problems in Malaysia.
Fulltext Trends of dengue infections in Malaysia, 2000-2010

Mia MS, Begum RA, Er AC, Abidin RD, Pereira JJ

Asian Pac J Trop Med, 2013 Jun;6(6):462-6.
PMID: 23711707 DOI: 10.1016/S1995-7645(13)60075-9

OBJECTIVE: To analyze trends of dengue incidences and deaths in Malaysia from 2000 to 2010 as well as the predominant dengue virus serotypes during the last decade.
METHODS: We used the national data on annual reported cases, deaths, incidence rate, mortality rate, and case fatality rate of dengue fever (DF) and dengue hemorrhagic fever (DHF) as well as dengue virus serotypes prevalent in Malaysia during the last decade. Trend/ regression lines were fitted to investigate the trend of dengue incidences and deaths due to the disease for a 11-year period (2000-2010). For the distribution of national incidence rate, mortality rate, and case fatality rate of DF and DHF, descriptive statistics using mean and 95% confidence intervals (CI 39) for means, and range were applied.
RESULTS: The number of dengue cases and number of deaths have increased, on average, by 14% and 8% per year respectively. The average annual incidence rate of DF per 100 000 populations was higher as compared to that of DHF. Conversely, the yearly mean mortality rate of DHF per 100 000 populations was greater than that of DF. The simultaneous circulation of all four dengue serotypes has been found in Malaysia. But a particular dengue virus serotype predominates for at least two years before it becomes replaced by another serotype.
CONCLUSIONS: The dengue situation in Malaysia has worsened with an increasing number of reported cases and deaths during the last decade. The increasing trend of dengue highlights the need for a more systematic surveillance and reporting of the disease.
Fulltext Seasonal quality variation and environmental risks associated with the consumption of surface water: implication from the Landzun Stream, Bida Nigeria

Daramola J, M Ekhwan T, Adepehin EJ, Mokhtar J, Lam KC, Er AC

Heliyon, 2019 Jul;5(7):e02121.
PMID: 31384682 DOI: 10.1016/j.heliyon.2019.e02121

Water constitutes a major environmental and public health concerns worldwide. A large proportion of global water consumption is sourced from surface water. The dependency level on surface water is higher in developing countries, especially in rural-to-semi-urban areas, where subsurface water is not accessible. Presented in this paper is a spatiotemporal and hydrochemical quality assessment of the spring-originated Landzun Stream in Bida, Nigeria; which is usually consumed in its untreated state. Water samples were systematically collected in eighteen locations along the stream channel in both rainy and dry seasons at an equidistance interval of 500m. On-site and laboratory measurement of important physical and hydrochemical parameters were carried out using standard procedures. Water temperature in the rainy season (34-37 °C) slightly exceeds measured values in the dry season (29-33 °C). 72.22% (rainy) and 83.33% (dry) of collected samples did not meet the odourless requirement for drinking water. Similarly, estimated percentages of 66.67 and 94.44 of collected samples in rainy and dry seasons respectively have a taste. Contrary to data in the rainy season, 89%, 11%, 67% and 56% of the dry season's samples were enriched in magnesium (Mg), lead (Pb), potassium (K) and iron (Fe) respectively above the 2018 World Health Organisation guidelines for drinking water. This study further established that seasonal variation plays a major role in altering the aesthetic surface water quality. The intake of untreated surface water is a vehicle for potential water-borne diseases and allergies, hence alternative sources of drinking water for the populace dependent on the Landzun Stream is recommended to reduce risks and possible dangers of consuming the stream water.

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