Gansu Dingxi 200 people wedding banquet, nearly 30 diarrhea hospitalized, what happened?

Nearly 200 people attended the wedding banquet, 30 people appeared severe abdominal pain, vomiting and diarrhea hospitalized, three of them due to serious complications into the intensive care unit of the People's Hospital of Dingxi, in the end, what is going on?

Some netizens think that it must be because these foods have some spoiled or bad food, some people eat to the later, the food produced an allergic reaction, resulting in vomiting and diarrhea, can not stand the time, to the hospital, and even a few people have been into the intensive care unit, indicating that these foods contain toxins is very strong.

There are also netizens who believe that some food may be mixed with some tea and alcohol after some reactions, such as drinking beer and eating clams, it is easy to lead to a stroke, this is the coastal areas of the people are aware of the matter, however, is that some people are willing to eat this way. Someone said there was a person in the village who had a stroke, the thumb of his toe, which was two times the size of someone else's, and there didn't seem to be any specific medicine to deal with this. Maybe these people ate some food that interacted with the others, causing these people to experience poisoning.

Through the Market Supervision Administration, the CDC sampling, and did not find any food problems, there is no corresponding chemical reaction of the substance, the explanation given is may be the weather is cooler, raw and cooked meat did not separate the result. It is also possible that it was caused by what food these people ate, otherwise, there is no way to explain that these people showed symptoms of poisoning.

There is also a possibility that these people are allergic to some food, they do not know it, after eating, the body quality can not resist these toxins, resulting in poisoning, or it may be that these people's body detoxification ability is weak some of the results.

No matter what the reason is, now that they have been hospitalized, there are still 3 people in the icu, who will bear the medical expenses of these people? Is it themselves or the family member who got married? If they are made to pay for it, will it lead to a bad relationship? Who do you think should pay for this?