(IMAGE) Ecole Polytechnique Fédérale de Lausanne Caption Digital reconstruction of SARS-Cov-2 being trapped in the lungs The airway surface liquid of the lung contains an army of innate defenses to restrain the viral infection. Credit Blue Brain Project / EPFL Usage Restrictions Credit must be given to the creator. Adaptations must be shared under the same terms. License CC BY-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.