34 It is no t suffcient t o rely upon individuals alone t o tak e suitable precautions or count ermeasures t o sustain their health This is because cer tain reactions such as insulin o v er dose or allergic shock ma y render a per son incapable of suitable action It is v er y easy f or one t o misplace use up or neglect t o apply req uired medication Danger ous reactions such as bee v enom or cedar w ood ma y ne v er ha v e been recognized prior t o going in the feld F ailure t o administ er medication on a timely basis can result in comas seizures or o ther se v ere reactions Thus un planned cir cumstances such as loss or break age of medicine contain er s being stranded a w a y fr om the medication due t o accident or w eather conditions or nona v ailability of medicine in a remo t e se ttlement must all be considered Cow or k er s should be aler t ed t o w atch f or adv er se reactions and should kno w what remedial actions ma y be ef f ectiv e t o mitigat e distress and sym pt oms N umer ous highly inf ectious ailments can disrupt feld cam ps and once established ma y be diffcult t o con tr ol Extra precautions with respect t o drinking w at er cookhouse cleanliness and per sonal h y giene ma y a v oid pr oblems ho w e v er once a condition is recognized victims should be e v acuat ed f or pr oper medical treatment without dela y Hepatitis Dysent er y Ey e inf ections Boils Mononucleosis Although less common in cities tuber culosis is still encount ered in all par ts of rural Canada especially in the nor th Common Rapidly Spreading Illnesses