During Carnival, cases of kissing disease tend to increase, as the Epstein-Barr virus is transmitted through saliva. Mononucleosis causes a high fever
During the Carnival period, cases of mononucleosis are more frequent, a condition popularly known as fever or kissing disease. The risk of infection is usually higher, as partying is synonymous with kissing on the mouth for many revelers, and this is the main form of transmission of the Epstein-Barr virus (EBV).
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“Kissing disease is the most common [nesta época]and it is also very common among young people between 15 and 25 years old,” says Carolina Foot Gomes de Moura, dentist and professor of Dentistry at the Metropolitan University of Santos (Unimes). Official data on the incidence are available.

“At the sign of any unusual symptoms [na boca]as well as the appearance of reddish, whitish or ulcerated lesions, whether symptomatic or not, it is important to seek medical or dental care”, recommends the professor.
In addition to the kissing disease, the Carnival period is characterized by an increase in cases of herpes, syphilis and thrush (oral candidiasis), as they can also be transmitted by a simple kiss, especially when the disease is in an acute phase. When considering sexually transmitted infections, the Mardi Gras list could still grow. Therefore, the recommendation is to enjoy the party in moderation.
What are the symptoms of mononucleosis?
Importantly, kissing disease has a long incubation period, estimated to be between 30 and 45 days. This means that the person infected with the Epstein-Barr virus will not get sick on Ash Wednesday, but only a month later. After this period, some individuals can have and transmit the infectious agent asymptomatically (without symptoms).

When a person experiences mononucleosis symptoms, these tend to be the most common:
- High fever;
- Sore throat;
- Swollen lymph nodes (around the neck and throat);
- Malaise;
- Nasal congestion and runny nose, as if you have a cold;
- Spots on the palate (petechiae on the palate);
- Involvement of the liver and spleen.
Is the disease transmitted only by kissing?
Although the condition is called kissing disease, it is not the act of kissing that transmits the virus. Indeed, the risk is in contact with the oral secretions of the infected individual, such as saliva. Indirect contact also applies here, when sharing glasses or bottles. According to the Ministry of Health, it is transmitted through blood transfusions or sexual contacts.
Is kissing disease curable? And cure?
Unfortunately, “there is no specific cure for kissing disease. Generally, rest and medications are indicated to alleviate the symptoms,” explains infectious disease specialist Flávia Cunha Gomide to Brazil Agency. Among the possible prescribed drugs are antipyretics that control fever. Another important indication is the consumption of plenty of water, avoiding dehydration of the body.
Since the main form of transmission of the disease is saliva, the only effective way to avoid infection is not to kiss or share utensils during Carnival, as there are no vaccines. However, strengthening the immune system can be a good strategy to reduce the risk of many diseases. For this, the person must basically maintain healthy habits, practice exercises, eat well and sleep well at night.
While there is treatment for the acute, symptomatic phase of kissing disease, there is no cure for the viral infection. In other words, once infected, the person must continue with the infectious agent, even if it never comes back. Included, there are emerging studies associating EBV with an increased risk of multiple sclerosis.
Source: With information: Ministry of Health AND Brazil Agency
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