Pandemic planning should consider the need for stockpiling of essential supplies. Discuss with key suppliers a plan for regular shipments in the event of shortages or disruptions in transportation systems. Shortages may occur because of disruptions in transportation systems or inability of suppliers to meet demands because of their own staff shortages. Canadian supplies travel long distances by truck, train and aircraft and are vulnerable to any disruption. Loss of up to 30 percent of workers/drivers and other transportation staff may affect both the production and delivery of needed supplies. During a pandemic there are likely to.