Story at-a-glance 1  +. Canine leptospirosis, or âlepto,â is an infection caused by at least four species (serovars) of Leptospira bacteria. 2  However, there are over 20 different serovars that are potentially infectious to dogs.3  Leptospirosis isnât a new disease â in fact, itâs ancient.tory at-a-glance 1  +. Canine leptospirosis, or âlepto,â is an infection caused by at least four species (serovars) of Leptospira bacteria. 2  However, there are over 20 different serovars that are potentially infectious to dogs.
Philip Morris, a London-based cigarette manufacturer, created a New York subsidiary in 1902 to sell several of its cigarette brands, including Marlboro. By 1924 they were advertising Marlboro as a woman's cigarette based on the slogan Mild As May.
Blended cigarettes â generally contains three main tobacco types: Virginia, Burley and Oriental. Usually, blended cigarettes possess additional ingredients that compensate sugars lost during the curing process of burley tobacco and to assure an exquisite and refined flavor of each cigarette brand.