Clinical Assessment of Respiratory Events for Kids: Integrating Diagnostics and Stewardship

Inclusion Criteria: * Children from 60 days until less than 18 years old with signs and/or symptoms leading to suspicion of Respiratory Tract Infection (RTI) and/or Influenza-Like Illness (ILI), such as fever (Temperature greater than or equal to 37.8°C), rhinorrhea, nasal obstruction, sneezing, sore throat of pharyngeal pain, difficulties in breathing and/or cough, tachypnea, shortness of breath, apnea, croup. * Children and his/her legal representative who provide their informed consent. * Patients willing to provide a Nasopharyngeal Swab (NPS). Exclusion Criteria: * Any condition that, in the opinion of the investigator/nurse results in significant immune dysfunction such as known primary immunodeficiency disorder, ongoing immunosuppressive therapy, known HIV infection, active or recent oncologic disease, transplant recipients and/or chronic use of immunomodulating agents, * Any condition that, in the opinion of the investigator/nurse, is related to severe patients requiring urgent referral who need to go on intensive care (such as patients who have a diagnosis of sepsis or septic shock, * Known pregnancy * Patients who refused to participate in the study and therefore declined Informed Consent Form.