The change in food and nutrition pattern in Kuwait.
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During a 3-month pilot study, we identified ten children with cryptosporidiosis; they all presented with diarrhoea, most also with fever, vomiting and dehydration. For diagnosis, the formalin-acetate concentrate of the stool, and direct smears were stained for oocysts in safranin-methylene blue (S-MB). The negative staining of oocysts in trichrome-stained specimens was indicative and was confirmed by destaining and restaining in S-MB. Constraints contributing to the absence of reports from the Arabian Gulf were the lack of awareness of Cryptosporidium sp. as a cause of diarrhoea in children, inappropriate laboratory diagnostic techniques and, possibly, the initial referral of patients to polyclinics where mild cases may go undetected. Contaminated drinking water and close contact with domestic animals are possible modes of transmission of Cryptosporidium sp. but further studies are recommended to confirm this.
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A retrospective clinico-microbiological study of 83 patients with corneal ulcers due to bacterial infection was performed. Positive cultures of corneal ulcer samples were obtained from 57% of all patients. A high incidence of Staphylococcus epidermidis was isolated from ulcer patients; Pseudomonas, Streptococcus and Streptococcus pneumonia were the next most frequent pathogens. Of some help in identifying the causative organism were the locations of the ulcers, the presence or absence of hypopyon and the frequency of perforation. Gentamycin, cephaloridine and polymyxin were found to be the most effective therapies. Gram stains of ulcer samples were positive for organisms in only 11% of patients and accordingly were not considered useful in determining the appropriate initial therapy of ulcers. It was concluded that treatment should be started with a broad combination of antibiotics while awaiting the culture results.
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Seasonal data for raw sewage indicated a higher concentration of bacteriophages in the warmer months compared with the cooler months. Regardless of the amount of phages in the raw sewage and the time of year the efficiency of removal was as high as 83-96% for effluent II and 93-98% for sludge II. Four major types of plaque sizes were identified as Q1, Q2, Q3 and Q4. Although all isolates contained DNA, they showed variation in host range and heat sensitivity from 50 degrees C to 80 degrees C.
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A national cross-sectional survey of the heights and weights of Kuwaiti preschool-age children of 0-5 years was conducted on a stratified multistage sample of 2554 subjects from high and low socioeconomic levels. The collected data were used to compare the nutritional status of these children with their American counterparts using the NCHS/CDC reference population. The basic indices for comparison were height for age and weight for height, each considered in terms of centiles and standard deviation (SD) scores and cross-classified using the SD scores. The results indicated that Kuwaiti children in the studied age groups were shorter than American children, 47.7% falling below the 30th centile of the reference population. Conversely, the weights of Kuwaiti children aged 0-5 years were much closer to their American counterparts, 51.8% falling above the 50th centile of the reference population.