]
(2009). Occurrence of Giardia and Cryptosporidium in Italian water supplies.
Environmental Monitoring and Assessment. 152, pp. 203–207.
(2009). Occurrence of Giardia and Cryptosporidium (oo)cysts in the river water of two recreational areas in Selangor, Malaysia.
Tropical Biomedicine. 26, pp. 289–302.
(2009). Occurrence of Giardia lamblia in recreational streams in Basel-Landschaft, Switzerland.
Environmental Research. 109, pp. 524–527.
(2009). Occurrence of motile Aeromonas in municipal drinking water and distribution of genes encoding virulence factors.
International Journal of Food Microbiology. 135, pp. 158-164. doi: 10.1016/j.ijfoodmicro.2009.08.020.
(2009). Occurrence of potentially pathogenic vibrios in the final effluents of a wastewater treatment facility in a rural community of the Eastern Cape Province of South Africa.
Research in Microbiology. 160, pp. 531–537.
(2009). Occurrence of \textitCryptosporidium} and \textitGiardia} genotypes and subtypes in raw and treated water in Portugal.
Letters in Applied Microbiology. doi: 10.1111/j.1472-765X.2009.02605.x.
(2009). Ocular toxoplasmosis: the influence of patient age.
Memorias do Instituto Oswaldo Cruz. 104, pp. 351–357.
(2009). Oocyst wall formation and composition in coccidian parasites.
Memórias do Instituto Oswaldo Cruz. 104, pp. 281–289.
(2009). An outbreak of group C rotavirus infection in an elementary school in Shimane prefecturend sewage-polluted river waters in Caracas, Venezuela.
Applied and environmental microbiology. 75, pp. 387–394. doi: 10.1128/AEM.02045-08.
(2009). An Outbreak of Hepatitis A Associated with the Consumption of Raw Beef.
Journal of Clinical Virology. 44, pp. 207–2010.
(2009). Outbreaks of waterborne diseases. fact sheet 1.1.
World Health Organization Europe. World Health Organization. pp. 1–6.
(2009). Outbreaks updates for international cruise ships.
(2009). Paragonimus heterotremus infection in Nagaland: a new focus of paragonimiasis in India.
Indian J Med Microbiol. 27, pp. 123–127.
(2009). Parasite egg contamination of vegetables from a suburban market in Hanoi, Vietnam.
Nepal Medical College Journal. 11, pp. 75–78.
(2009). Parasites causing disease in wild and cultured fish in Newfoundland.
Icelandic Agricultural Sciences. 22, pp. 29–35.
(2009). Parasitic contamination of wells drinking water in Mazandaran Province.
Journal of Environmental Health Science & Engineering. 6, pp. 241-246.
(2009). Parasitic Contamination of Wells Drinking Water in Mazandaran Province.
Iranian Journal of Environmental Health Science and Engineering. 6, pp. 241–246.
(2009). Parasitoses intestinais de indigenas da comunidade Mapuera (Oriximina, Estado do Para, Brasil): elevada prevalencia de Blastocystis hominis and finding of Cryptosporidium sp. and Cyclospora cayetanensis.
Revista da Sociedade Brasileira de Medicina Tropical. 42, pp. 348–350.
(2009). Peepoo bag: self-sanitising single use biodegradable toilet.
Water Science {&} Technology. 59, pp. 1743. doi: 10.2166/wst.2009.184.
(2009). Peepoo bag: self-sanitising single use biodegradable toilet.
Water Science and Technology. 59, pp. 1743–1749.
(2009). Peepoo bag: self-sanitising single use biodegradable toilet.
Water Sci Technol. 59, pp. 1743–1749. doi: 10.2166/wst.2009.184.
(2009). Pepper mild mottle virus as an indicator of fecal pollution.
Applied and Environmental Microbiology. 75, pp. 7261-7267. doi: 10.1128/AEM.00410-09.
(2009). Pepper mild mottle virus as an indicator of fecal pollution.
Applied and Environmental Microbiology. 75, doi: 10.1128/AEM.00410-09.
(2009). Pepper mild mottle virus as an indicator of fecal pollution.
Appl Environ Microbiol. 75, pp. 7261-7. doi: 10.1128/AEM.00410-09.
(2009). Percolation and survival of E. coli O157:H7 and Salmonella enterica serovar Typhimurium in soil amended with contaminated dairy manure or slurry.
Appl. Environ. Microbiol.Appl. Environ. Microbiol.. pp. AEM.01791-08.