H7N9 virus is an avian influenza virus, that is, avian influenza virus. The normal expression should be "H7N9 avian influenza virus", which is a subtype of avian influenza. Shanghai only has Nanhui 8424 watermelons and no 8424 bananas. The police reminded the general public not to believe in rumors and not to spread them.

At the end of March 20 13, the first case of human infection with H7N9 avian influenza was confirmed in Shanghai. Viruses are highly specialized parasitic acellular organisms, which must parasitize in living cells and multiply by replication, and can be divided into plant viruses, animal viruses and bacterial viruses.

However, a virus can only be parasitic in one or a class of animals, or plants or bacteria and fungi, that is, specificity. In other words, no virus can infect both animals and plants. Therefore, the avian influenza virus will not infect watermelons, bananas, vegetables and so on.

Human infection with H7N9 subtype avian influenza virus is mainly transmitted through respiratory tract, and can also be infected through close contact with infected poultry secretions or excreta, or direct contact with the virus.

H7N9 avian influenza can't spread continuously and effectively from person to person, and it is even less likely to spread through the digestive tract. We have not seen any cases of human being infected with avian influenza by eating watermelon and other fruits, nor have we found that the virus has the ability to spread continuously among people.

Extended data

Not suitable for people who eat bananas.

1, diabetes

Bananas contain a lot of sugar.100g of bananas contain 20g of sugar. If diabetics eat them for a long time, their blood circulation will be slowed down, and a large number of metabolites will accumulate in the body, which will aggravate the condition. The glycemic index of banana is above 59, which is higher than any fruit in life, and banana is a very soluble fruit, especially not suitable for diabetic people.

2. Patients with spleen and stomach deficiency and cold.

Patients with spleen and stomach deficiency can't eat cool fruits, just because bananas are cold, so try not to eat them. Especially for people with deficiency cold and stomach cold, eating bananas will aggravate the symptoms of body cold, which is not conducive to the recovery of the body. In addition, eat bananas in moderation and never eat too much, otherwise it will disrupt the function of the gastrointestinal tract.

3. Patients with digestive tract gastric ulcer

Patients with digestive tract ulcers usually secrete more gastric acid in their lives, and their gastrointestinal contractility is poor. If they eat a lot of bananas, they will increase the burden on the gastrointestinal tract, thus aggravating their illness.

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