Child labor, unfair prices and poverty earnings characterize the tobacco growing sector. For over 100 years cigarette manufacturers and leaf buying companies have exploited farmers to obtain profits from below-cost leaf, unpaid child labor and low-cost and bonded adult laborers.hild labor, unfair prices and poverty earnings characterize the tobacco growing sector. For over 100 years cigarette manufacturers and leaf buying companies have exploited farmers to obtain profits from below-cost leaf, unpaid child labor and low-cost and bonded adult laborers.
Infections in Humans Incubation Period In humans, the incubation period for acute Q fever varies from 2 to 48 days; the typical incubation period is approximately 2 to 3 weeks. Chronic Q fever can occur from months to many years after infection. weight in some women.
The incubation period for hepatitis B virus (HBV) is 30-180 days (average, approximately 75 days). Patients then enter the prodromal or preicteric phase, characterized by the gradual onset of anorexia, malaise, and fatigue.epatitis C. The incubation period for hepatitis C virus (HCV) is 15-150 days, with symptoms developing anywhere from 5-12 weeks after exposure. During acute HCV infection, symptoms may appear similar to those of HBV infection.