However, policies and strategies are available that can clearly reduce the public health threat posed by e-cigarette use among young people
Viruses that can lead to viral pneumonia include: Influenza viruses Cold viruses RSV (the top cause of pneumonia in babies age 1 or younger) SARS-CoV-2, which causes COVID-19 Measles virus Adenovirus Varicella-zoster, which causes chickenpox The whooping cough virus Causes of bacterial pneumonia include: The pneumococcus bacteria, the most common cause of bacterial pneumonia Mycoplasma Legionella, the bacterium that causes Legionnaire's disease Certain types of chlamydia bacteria Fungal pneumonia causes include: Coccidioidomycosis, the fungus that causes valley fever, which is found in parts of the Southwestern U.S
PMCID: PMC6018192
Hammond, D., Fong, G.T., Cummings, K.M., O'Connor, R.J., Giovino, G.A., McNeill, A., 2006