You have to understand that sore throat can be caused by many things, not just allergy. The pain in the throat is a serious complication and in most cases it is caused by some sort of an infection, bacterial or viral infection. The pollen allergy will also affect your eyes as well and your breathing.
Cuba is the most expensive destination for travelers in Latin America. You are absolutely correct to point out that our program in Cuba is more expensive than our other programs in Latin America. This reflects the fact that Cuba is one of the most expensive destination for travelers in Latin America.
We all have assumptions. We think New York is the most expensive place to own and maintain vehicles (gas prices, maintenance costs, etc) but you might be surprised at what other areas actually have a high cost of car ownership. Hawaii (surprisingly) is the most expensive- from insurance to depreciation.