The Covid-19 pandemic has exposed a fractured global biosecurity system and a new approach is needed, a biosecurity expert says. Bio-Protection Research Centre distinguished professor Philip Hulme Photo: This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License. To view a co The paper by distinguished professor Philip Hulme from the government funded Bio-Protection Research Centre has been published in the peer-reviewed scientific journal BioScience. Hulme said Covid-19 had shown there needed to be an approach to biosecurity that integrated threats to human, animal, plant and environmental health, recognising that disease or invasions in one sector often spilled over into the others.