Children engaged in child labour in tobacco growing are involved in many types of tasks, as shown in the Report on Child Labour in the Tobacco Growing Sector in Africa (2000). Childrenâs health, wellbeing, and opportunities for a better life are often the cost of childrenâs involvement in hazardous child labour. 2  Child labour in tobacco growing can pose health risks, including green tobacco sickness, which can cause fatigue and nausea.
Clinical Features The incubation period of pertussis is commonly 7â10 days, with a range of 4â21 days, and rarely may be as long as 42 days. The clinical course of the illness is divided into three stages.
Factors which determine the incubation period include the type of bacteria or virus causing pneumonia, age of the person and overall health. The incubation period for the most of the bacteria and viruses which cause pneumonia ranges from 1 day to 1 week.Incubation period of some of the common bacteria and virus are given in table 1.Organism. Incubation period. Respiratory syncytial virus. 1 to 4 days.he incubation period for the most of the bacteria and viruses which cause pneumonia ranges from 1 day to 1 week.