Gastroenteritis (stomach flu) is a viral condition that causes diarrhea and vomiting. Viral pharyngitis is a sore throat caused by a virus, and causes throat pain and cold-like symptoms. Tuberculosis usually infects the lungs, causing a bad cough with blood, chest pain, fever, chills, and fatigue.
Second, strong and genuine diplomacy makes economic sanctions effective in modifying regime behavior. Third, strong diplomacy and a potential deal with Iran already yields important benefits, even if the deal is imperfect or ends up failing in the longer term.
The answer: economic sanctions serve a symbolic function. They signal to the target, and the world, what is and is not acceptable ethical behaviour. This is an important act when examined through the ethical lens of constructivist theory.