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Background: Dioxin is accepted as an important toxic chemical that can induce carcinogenesis. The dioxin contamination in air is accepted as an important air pollutant. Apart from the industry, the dioxin in air can be generated by other little mentioned sources. Methods: Here, the authors assessed the cancer risk due to inhalation exposure to dioxins air pollutant generated by dead body incineration at Buddhist temple based on situation in Indochina. Indeed, there are many thousand Buddhist temples in Indochina and the dead body incineration is routinely done at the temple every day and the dioxin generated from this activity is little mentioned. Results: According to this study, the risk of cancer due to exposure to dioxins air pollutant generated by dead body incineration at Buddhist temple is high and should be the issue for proper public health management. Conclusion: Dioxins air pollutant generated by Dead bodyIncineration at Buddhist temple is an important cancer risk for both adult and children living in that area. [ABSTRACT FROM AUTHOR]

Background: Chronic hepatitis B infection is an etiology of hepatocellular carcinoma. The high prevalence of hepatitis B can be seen in several regions including Indochina. In Thailand, a country in Indochina, according to the local public health policies, the universal hepatitis B vaccination is freely given to any infant at birth without charge. Despite the universal vaccination, the hepatitis B seropositive rate is still observed, and it can still be a cause of hepatocellular carcinoma among the hepatitis B carriers in the future. Methods: Here, the authors try to estimate the expected hepatocarcinoma cancer rate due to escape mutant among local population in Thailand, the situation after the implementation of universal hepatitis B vaccination at birth. Results: Based on the present study, the mutant escape contributes to only a few parts of overall estimated cancer cases in the situation that there is an implementation of universal hepatitis B vaccination at birth. Conclusion: Efficacy of theuniversal hepatitis B vaccination is not improved by specific management on escape mutants. [ABSTRACT FROM AUTHOR]