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6 common doubts about the cure of coronavirus (COVID-19)

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Most of the people infected with the new coronavirus (COVID-19) manage to heal and recover completely, as the immune system is able to eliminate the virus from the body. However, the time that can pass from the time the person presents the first symptoms until they are considered cured varies in each case, ranging from 5 days to several weeks.

After the person is considered cured, it is important to maintain the care, such as the use of masks, social distancing and sanitization and disinfection of the hands, since, despite having an initial protection, it is possible to become infected with SARS-CoV -2 more at once, in addition to the fact that there is also a chance of contagion of the virus, although there are no signs or symptoms of the infection.

1. When is a person considered cured?

The rules to consider a person cured can vary from agreement to the guidelines of the country in which it is found, being in general, that those people who had a mild to moderate infection by COVID-19, it is decided that they underwent treatment in the house and that in the requirement of oxygen in the hospital, they are considered “cured” after 7 days, whenever:



  • No fever in the last 24 hourswithout using medication for the fever;
  • No respiratory symptomslike tos, upset or runny nose.

If these symptoms are present, the person is not considered “cured” and must maintain isolation, for at least until the 10th day. If at the end of 10 days there are respiratory symptoms or fever, the isolation must be maintained until the symptoms disappear. See for more details how long the insulation should last.

While the isolation time for mild to moderate cases of COVID-19 is 7 days, this period can be shortened to 5 days, if the person:

  • No present fiebre 24 hourssin that medicines for fever have been used;
  • Present respiratory symptomslike coughs, upset or runny nose;
  • Presents a negative result in a rapid antigen test.

In case there is a positive result, the isolation must be maintained for 10 days, since the person alone is considered cured after the 10th day.

People who have serious symptoms of COVID-19, such as lack of air or pain in the pecho and who require to remain hospitalized, must follow the doctor’s instructions.



2. Can the cured person transmit the illness?

Until then, it is considered that a person cured of COVID-19 presents a very low risk of being able to transmit the virus to other people. Although the cured person may show some viral load for several weeks after the symptoms disappear, the CDC considers that the amount of virus released is extremely low, with no risk of contagion.

Asimismo, the person deja to present to the constant estornudos, that are the main form of transmission of the new coronavirus.

Despite this, it is important to maintain basic precautions against COVID-19, such as washing hands frequently, using a protective mask and avoiding closed public places.

3. Which den of discharge from the hospital does a person mean that he/she is cured?

Tener el discharge from hospital no siempre means that the person is cured. This is because, in many cases, the person can be discharged when the symptoms improve and it is not necessary to be under continuous observation in the hospital.

In these situations, the person must continue to isolate himself in a room of his house until the symptoms disappear and he is considered cured through one of the ways indicated above.

4. Is it possible to get infected with COVID-19 from time to time?

After infection by SARS-CoV-2, the body develops antibodies, of the IgG and IgM type, which seem to guarantee protection against a new infection by COVID-19. In addition, according to the CDC after the infection, the person can develop immunity for approximately 90 days, which reduces the risk of reinfection.

However, after this period it is possible for the person to develop the infection by SARS-CoV-2, so it is important that even after the symptoms disappear and the cure is confirmed through examinations, the person maintains all the measures that help prevent a new infection, such as wearing masks, maintaining social distance and washing hands.

In addition, due to the existence of variants of COVID-19, it is possible for the person to be infected by different types of SARS-CoV-2, being able to develop the disease.

5. Is it possible to transmit the illness even without symptoms?

Yes, this is because the virus can remain in the nasopharyngeal mucosa, multiplying without causing any sign or symptom of infection. In some cases, the person may not show any symptoms, while others may show symptoms within 5 days after the onset of viral replication.

During this replication period, the virus can be transmitted to other people when the infected asymptomatic person is infected, for example. For this reason, it is important to use protective masks, wash your hands regularly with water and soap regularly and use alcohol in gel.

6. Are there long-term sequelae of infection?

In the case of the most serious infections of COVID-19, where a person develops a pneumonia, it is possible that permanent sequelae arise, such as a decrease in lung capacity, which can cause shortness of breath in simple activities, such as fast walking or climb stairs. Even so, this type of sequel is related to the pulmonary scars left by the neumonia and the infection of the coronavirus.

Other sequels could also arise in people who are hospitalized in the ICU (Intensive Care Unit), however, in these cases, they vary according to the age and the presence of other chronic diseases, such as heart problems or diabetes, for example.

According to some reports, there are patients who have been cured of COVID-19 who seem to have excessive tiredness, muscle pain and difficulty sleeping, even after having eliminated the coronavirus from their body, which has been attributed to the designation of the post COVID syndrome. Find out more about the possible consequences of COVID-19.

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Consult a Doctor | Translated by User2937

Content for educational purposes only

The translator user relied on the following text:

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Disclaimer – (English version>) This content has been prepared based on information from research, additional publications, or the translation/verification work of a volunteer editor of this web council. This is a non-profit service. It is strongly recommended that all details and information published be carefully verified. We never allow medication recommendations, medication package inserts or any medication guidance. We never allow partisan politics as information.

Isenção de responsabilidade – (versão em português): Este conteúdo foi preparado com base em informações de pesquisas, publicações adicionais ou no trabalho de tradução/verificação de um editor voluntário deste conselho web. Este é um serviço sem fins lucrativos. É altamente recomendável que todos os detalhes e informações publicadas sejam verificadas cuidadosamente. Nunca permitimos recomendações de medicamentos, bulas ou qualquer orientação sobre medicamentos. Nunca permitimos a política partidária como base para checagem. Para mais informações, leia nossos termos.

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