Disclaimer: This set of mental maps is intended for use by my exam-going students. However, others may find them useful as well.
Please note that all maps open in a new tab when clicked (for full screen viewing).
Sources: Most of the content has been obtained from the US CDC and WHO web sites. Data for the problem statement has been obtained from the Johns Hopkins University Center for Systems and Science Engineering COVID-19 Data Repository (JHU CSSE).
Link to the US Centers for Disease Control (CDC) web site:
Link to the World Health Organization (WHO) web site:
Link to the JHU CSSE COVID-19 Data