Menu Healthy Lifestyle Diseases & Conditions First Aid Symptoms Tests & Procedures Videos Definitions FAQs HantavirusUpdated: 2019-11-22OverviewHantaviruses can cause potentially fatal infections, such as hantavirus pulmonary syndrome. Infection occurs by breathing air that's infected by rodent urine and droppings. SymptomsInitial symptoms include fever, muscle ache and fatigue. Later symptoms include a cough and trouble breathing. TreatmentsBecause treatment options are limited, the best protection is to avoid rodents and their habitats. © 1998-2022 Mayo Foundation for Medical Education and Research(MFMER). All rights reserved. Terms of Use