- biological agents that may be present; - toxins, allergens or other harmful substances that may originate from the biological agents; - the infection risk groups the biological agents belong to; - information about diseases caused by the biological agents that the employees can contract in connection with their work, whether infectious, allergic or toxic in nature; - recommendations from the competent authority regarding special protective and safety measures that should be implemented in order to protect employees who are or can be exposed to biological agents in their working environment; - the probability that the biological agents will cause harm to the health of employees; - awareness that a disease identified in one employee may be directly linked to that employee's work; and - the risk of injury or infection from biological agents because of handling pointed or sharp objects.