Real-time Data of the Wuhan Coronavirus Outbreak for Desktop and Mobile Browsers 

On New Year’s Eve 2019, the World Health Organization (WHO) was notified of an outbreak of pneumonia of unknown origin in Wuhan province, China. Within days, the outbreak had surpassed 500 people with multiple fatalities. Public health officials in China quickly tracked the index case to a “wet market” in Wuhan and by 10 January the virus was determined to be a novel coronavirus related to both SARS and MERS. Days later, evidence of person-to-person transmission was confirmed. 

Now known as COVID-19, the virus is a global pandemic. 

The Johns Hopkins Whiting School of Engineering has created a fantastic mapping tool to provide real-time data on the coronavirus outbreak. Using reputable data sources including WHO, CDC, and Chinese sources including China CDC and others, the authors led by Dr Lauren Gardner and others have created a mapping and modeling tool that is open to the public. The website has caused quite a stir in the media and featured by both medical professionals and the public alike. The website provides country, state/province level data of cases, fatalities, recoveries, rate of rise, and links to other coronavirus resources.

Evidence-based medicine

The Johns Hopkins coronavirus mapping tool gathers real-time data from a number of reputable, and transparent sources including: WHO, CDC, China CDC, NHC, and DXY (a public Chinese website that aggregates China CDC and NHC data). 

What providers would benefit from this app?

Students, residents, mid-levels, primary care, infectious disease specialists, public health officials, any provider who may encounter patients/contacts/suspected cases of Wuhan coronavirus.


o Website is free to access via desktop or mobile browsers.


o Real-time mapping of the Wuhan coronavirus outbreak using transparent data sources.

o Links to CDC, WHO, etc. coronavirus information. 

o Ability to download and export data to Google Sheets.


o Desktop version views poorly on mobile devices.

o Mobile version lacks functionality and graphics of desktop version.

o No details on patient-level data/demographics.


The coronavirus mapping tool from Johns Hopkins Whiting School of Engineering has been rightfully praised by medical officials and the media alike. The website provides valuable, real-time information on the spread of the Wuhan coronavirus throughout the world. The tool has undoubtedly aided public health and political officials in important decisions regarding protecting the general public from this novel health threat. Highly recommended.   

Overall Score

o 5.0 stars

User Interface

o 4.5 stars

Easy to access data, especially on a full desktop browser. Easy to understand and intuitive to drill down on locations. 

Multimedia Usage

o 4.5 stars

Ability to drill down by country/state/province for cases/fatalities, graphic representation of cases and rate of rise, downloadable and exportable data (desktop version only). Mobile version looks better on smart devices, but lacks some functionality of the full desktop version. 


o 5.0 stars

Website is free to access from desktop/mobile.  

 Real-World Applicability

o 5.0 stars

The Johns Hopkins Whiting School of Engineering has created a fantastic online resource for mapping and tracking Wuhan coronavirus cases. The website provides real-time data on cases, fatalities/recoveries, locations, etc. Furthermore, all of the data is downloadable and exportable. This serves as invaluable information for public health officials, providers, and patients. I would like to see the mobile version of the website capture all of the functionality of the desktop version. 

Device Used For Review

o iPhone 11 Pro running iOS 13.3.1

Available for all browsers (best viewed on a desktop browser).

Disclaimer: The views expressed are those of the author(s) and do not reflect the official policy of the Department of the Army, the Department of Defense or the U.S. Government.