Health: Influenza, the digestive system, and the common cold... How are winter diseases transmitted?

Health: Influenza, the digestive system, and the common cold… How are winter diseases transmitted?

Are you worried about catching an infectious disease this winter? Here’s what you need to know to protect yourself from viruses that are actively spreading during this period.

France is facing a rapid spread of many viruses and diseases, such as influenza or gastroenteritis. send It summarizes the modes of transmission of this infection and methods of prevention.

Read also:
Flu and cold… We know why it’s easier to get sick when it’s cold


Influenza virus or influenza refers to an infectious disease that can cause cough, fever, fatigue, chills, headache, body aches…

And it is very easy to catch the flu: It is transmitted by small droplets containing viruses that are released when you cough, sneeze or even breathe, explains the Pasteur Institute. Hence the need to wear a mask in case of contamination. And these tiny droplets, if they contaminate you by entering your nose or mouth, can also be deposited on several surfaces, where viruses can survive for up to 24 hours. So you can transmit this virus through your hands by touching surfaces that are already contaminated.

It is therefore necessary to respect barrier gestures and avoid crowded places such as the metro; Although the virus is not generally fatal, it causes many deaths each year for people at risk, especially the elderly.

Inflammation of the stomach and intestines

Gastroenteritis is the result of the action of a virus or bacteria. It is an inflammation of the lining of the digestive system. It causes diarrhea, abdominal pain and vomiting.

In the case of the viral version, several viruses can act according to PasseportSanté: rotavirus is most common in children, while norovirus infects many adults. These viruses are transmitted after contact with an infectious person or contaminated surfaces, and then your hands touching your face without sterilizing them. Therefore, it is necessary to wash your hands regularly and avoid contact with infected people.

As for the bacterial infection, which is less common, it occurs after consuming some foods and water contaminated with bacteria, such as salmonella.


The common cold is a nasal disease caused by several viruses, including rhinoviruses. They cause, among other things, Sneezing, stuffy and runny nose, headache, tiredness and coughing.

Viruses stick to the mucous membranes of the nose, mouth, and eyes, and are transmitted in the same way as the flu: by inhaling droplets or through contact of contaminated surfaces with your hands before bringing them to the face. As with other diseases it is advisable to wash your hands, to avoid too crowded places, but also to avoid too dry air and tobacco, as health recommends: these weaken the mucous membranes of the nose and throat and thus facilitate contamination .


The little “new” of seasonal epidemics, Covid-19, comes from the coronavirus family. The rather long incubation period can range from 3 to 14 days. Quant aux symptômes, ils varient enormément en fonction de l’état de la personne touchée: on trouve the mal de gorge, la fièvre, no fatigue, no toux, les difficultés respiratoires, the nez qui coule, the perte of the perfume ou taste…

According to the Ministry of Solidarity, the virus is transmitted through the famous droplets that enter the mucous membranes, but also by aerosols. This term refers to particles smaller than even droplets suspended in the air, which masks stop. The virus is highly contagious: it is necessary to protect oneself from it by respecting barrier gestures and safety distances, which reduces risks in enclosed spaces and makes contamination in the outdoor air unlikely.

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