20240701_Cusack_final_1000x600 (IMAGE) European Molecular Biology Laboratory Caption Structure of the influenza virus replication complex, comprising two viral polymerases (dark and light colours) in interaction with human ANP32 (purple). Credit Isabel Romero Calvo/EMBL Usage Restrictions Credit must be given to the creator. Only noncommercial uses of the work are permitted. Adaptations must be shared under the same terms. License CC BY-NC-SA Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.