score:2
That form appears to only be required for other types of visas.
On the page for short-term visas for "conferences," the "documents required" tab lists the documents you needed to submit. It does not list a medical report. In contrast, the page for a long-term study visa does state that both a medical report and a radiological report (to confirm that you don't have TB) are required.
We can also consult Timatic, the system the airline will use to determine what documents are required. It states that a visa is required, which you already have, but does not indicate any medical form is needed. The only health-related requirement is that "Passengers who have visited Guinea, Liberia or Sierra Leone are subject to screening and health checks."