Tim HealingDr Tim Healing initially trained in zoology and studied the role of disease in the population dynamics of island dwelling rodents. He trained in clinical microbiology at the Royal London Hospital. He was on the staff of the Communicable Disease Survellance Centre before working for thirty years in humanitarian aid with NGOs and the UN. He ran the Conflict and Catastrophe Medicine Course at the Worshipful Society of Apothecaries. Read More Read Less