Mapa wypadków lub zgonów zgłoszonych do CDC styczeń 2020
Centers for Disease Control and Prevention
<a rel="nofollow" class="external free" href="https://www.cdc.gov/tobacco/basic_information/e-cigarettes/severe-lung-disease.html#map-cases">https://www.cdc.gov/tobacco/basic_information/e-cigarettes/severe-lung-disease.html#map-cases</a>