Influenza Pneumonia Children Respiratory Syncytial Virus (RSV) Human Metapneumovirus Legionnaires' Disease COVID-19 Whooping Cough Upper Respiratory Tract Infection Winter Symptoms RSV Flu Pertussis (Whooping Cough) Psittacosis Common Cold
CDC reports nearly 4,900 cases nationwide in 2024, with significant spikes in Oregon and other states.