Competition Rules

The International Medicine and Disease Olympiad is held each year at the end of July or beginning of August. In 2023, the IMDO is scheduled for August 6th, 2023

The competition will be held online, and consist of a mix of multiple choice questions and free response questions. The exam will be 3 hours in length, and test both knowledge and problem solving skills related to medicine and disease

The exam can be taken at any time on August 6th, 2023 between 9:00-23:59 Pacific Time.

How to Compete

To compete in the IMDO, you must be selected to represent your country

If you country has a population above 250 million people, your country may have 8 individual representatives. 

If your country has a population of 250 million or less people, your country may have 4 individual representatives. You must also meet the following requirements:

If you satisfy the above requirements, you may represent your country in the IMDO by being selected through your country's qualification round.

For students representing China, please reach out to our partner organization XueMingRui (Beijing) International Education and Technology (XueMingRui) for selection rounds. XueMingRui will be hosting the ChinaMDO qualifying round to select students to represent China.

For students representing all out countries, please take the USMDO hosted by our partner organization Creative Odyssey. 

The USMDO qualifying round will be held on July 29th, 2023. More information about the USMDO can be found on