Dandy fever and Infectious disease

Dandy fever noun - An infectious disease of the tropics transmitted by mosquitoes and characterized by rash and aching head and joints.

Infectious disease and dandy fever are semantically related. In some cases you can use "Infectious disease" instead a noun phrase "Dandy fever".

Infectious disease noun - A disease transmitted only by a specific kind of contact.

Dandy fever and infectious disease are semantically related. Sometimes you can replace phrase "Dandy fever" with "Infectious disease", this phrases are similar.