Background: Incidence rates of various cancers are increasing in Arab countries and are expected to reach those of industrialized ones in few decades. This paper aimed to describe the incidence rates of most common cancers -and/or of those cancer preventable through modifiable behaviors -recorded in the province of Setif, Algeria from 1986 through 2010. Methods: Cancer diagnoses for the 1986-2010 period were provided by the population-based Cancer Registry of Setif, disentangled by site, morphology, age (quinquennia), sex, and calendar period. The corresponding population was obtained from the Algerian Institute of Statistics. Age-standardized rates (world population) (ASR-WR) were computed by calendar period (five quinquennias from 1986-1990 to 2006-2010), while annual percent changes (APCs) were computed for the period 1996-2010. Results: During the 2006-2010 period, ASR-WR for all cancer sites were 106.4/100,000 in men and 110.3 in women. The four leading cancers were: lung (18.0%); colon-rectum (9.6%); bladder (9.1%); and prostate (6.5%) in men; breast (36.4%); colon-rectum (8.5%); cervix uteri (6.0%); and thyroid (6.0%) in women. Between 1996-2010, overall cancer incidence increased statistically significantly (p < 0.05) in both men (APC = +2.5%) and women (APC = +3.7%). Statistically significant decreasing trends were observed for nasopharyngeal carcinoma (APC = −3.4%) in men, and for cervical (APC = −4.2%) and gallbladder (APC = −3.2%) cancers in women. Statistically significant increasing trends were observed for most common cancers both in men (lung:+1.8%, colon-rectum:+5.4%, prostate:+4.3%, liver:+8.9%, and bladder:+5.9%) and women (breast:+8.2%, colon-rectum:+4.5%, lung:+10.0%, liver:+5.4%, thyroid:+5.3%, and larynx:+13.8%). Conclusions: International recommendations against cancer must be strongly promoted in Setif after taking into account epidemiological transition, lifestyle, and environmental changes.

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Zoonotic cutaneous leishmaniasis due to Leishmania major is a serious public health problem in Algeria. On average, 10,000 new cases are reported every year among the 15 million people at risk of infection. With an annual incidence of 561.8 per 100,000 inhabitants, M'Sila has seen the worst outbreak of the disease in Algeria since the historic outbreak in Biskra. The main reservoir of the disease is Psammomys obesus, a gerbil that feeds exclusively on Chenopodiaceae, a salt-tolerant plant under which it makes its burrow. Removing these plants around houses within a radius of 300 meters is one of the most effective control measures. As part of a social program of public works, a pilot project aimed at controlling the disease was undertaken in 2003 in the five worst affected cities in M'Sila. 396 unemployed young people were recruited to remove the plants before the transmission season. Over 3,600 hectares were treated. The number of cases decreased from 1,391 in 2003 to 965 in 2004 (31% reduction). These measures need to be implemented in all endemic areas of the country to better assess their effectiveness in preventing the disease.

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