The most common route of contamination for bloodborne pathogens and bacteria is through direct contact with infected blood or bodily fluids, such as from needle stick injuries or contact with broken skin or mucous membranes. Other routes include contaminated medical equipment or surfaces, as well as through unsafe injection practices.
route 66
Improper skin preparation is the most common cause of contamination when drawing blood cultures.
contamination of food during preparation
Coughing sneezing and touching
INHALATION
oral
The most common reason for food born illness is contamination of the food. If the food is exposed to things such as animal feces or workers handling the product with dirty hands, then there is a risk of contamination.
The most common route of entry for hazardous materials is inhalation, closely followed by skin contact.http://wiki.answers.com/What_is_the_most_common_route_of_entry_for_hazardous_materials#ixzz1tCem38SH
Inhalation
Inhalation
Because silk was one of the most common merchandise that was carried along that route.