As Bulgaria was then fighting with Greece and Serbia, the invasion by Romania, which had a geographic and strategic advantage, was met with minimal Bulgarian resistance.

[3] Although figures might be conflicting, out of the approximately 400,000 Romanian soldiers who entered Bulgaria during the war, it is estimated that there may have been some 11,500–15,000 infected and a total of 1,600 dead.

[2][3][4] This made all Romanian casualties during the Second Balkan War non-military related, only caused by the cholera outbreak.

[4] Romania accused the local Bulgarian population and Turkish prisoners of war for the cholera outbreak, while Bulgaria blamed the Romanian Army and its "poor hygiene conditions".

Once the Second Balkan War ended and after the Treaty of Bucharest was signed, Romania gained Southern Dobruja from Bulgaria.