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Are so many. And a dangerous legend circulates about them: that they are not contagious. And instead they – the asymptomatic ones – can transmit the coronavirus and indeed, thanks to the absence of symptoms, they are the best involuntary allies of Covid-19.
Who I am?
Asymptomatic patients are of three types: asymptomatic in the proper sense, presymptomatic and presumed asymptomatic. Pure asymptomatic people are people who have certainly contracted Covid because they test positive but do not feel any symptoms and will not feel any for the entire course of the disease. Presymptomatic patients are infected people who have not yet developed symptoms but who will. Finally, with uncontrolled medical care, a third type of asymptomatic is emerging: those who have been in contact with a positive subject but have not yet cleared to detect delays in the follow-up system and can therefore be defined as suspects. asymptomatic.
How many?
According to the most recent report from the Higher Institute of Health (ISS), 44% of those who contract the virus recover in 10 to 14 days without experiencing any symptoms (while another 17% have mild symptoms and are called paucisymptomatic). In Campania, in daily reports, almost all positive test cases are defined as “asymptomatic”: in yesterday’s bulletin 1,832 asymptomatic out of 1,981 is 92.5%, but it is a misleading figure. In fact, almost half of these apparently asymptomatic subjects are, according to the definition of the World Health Organization (WHO), presymptomatic because within a week they will feel the signs of the disease in the body, although often not seriously .
Are they contagious?
Yes. Asymptomatic people can infect and how. However, a glossary dated August 26 is still online today on the ISS website: “The presence of asymptomatic patients and the possibility that they may transmit the disease seems possible even in the case of Sars-CoV- 2, however, according to the WHO, most cases of transmission occur through symptomatic people. ”A phrase that online has become a fake“ The WHO says that asymptomatic people are not contagious ”, a fake that forced to the World Health Organization for clarification. The maximum degree of contagion, explains the WHO, occurs two days before the development of symptoms, so the most dangerous subjects are the presymptomatic. Those who never develop symptoms probably not are highly contagious, however, since it is not known whether an asymptomatic patient will remain asymptomatic or will manifest symptoms, the utmost caution is required in isolating the asymptomatic and presumed so symptomatic, precisely because they could be presymptomatic.
Asymptomatic, what to do?
We distinguish the three cases. The pure asymptomatic is a person who has contracted Covid-19 and tested positive on a swab. You should be aware that you are contagious, even mildly if symptoms do not manifest (but you cannot know this, so caution is needed). He does not need any treatment, but the asymptomatic patient must live isolated from relatives for at least ten days, after which he will have to perform a second swab, which will probably be negative, certifying cure.
What if it is presymptomatic?
Those who test positive on the swab but have no symptoms at that time should attempt to reconstruct on the day of possible infection, day c. The closer to day c, the more likely it is that the symptoms have not yet manifested and are on their way. In this case, the asymptomatic person is actually a presymptomatic one and therefore, as the World Health Organization warns, it is extremely contagious and therefore must rigorously use all techniques to isolate himself from others, respecting absolute hygiene.
Suspicious-asymptomatic?
The subject does not present symptoms but does not know if this is due to his particular resistance to the coronavirus or the fact that he simply did not get sick despite coming into close contact with a positive person, for example a family member. While waiting for the swab, the asymptomatic suspect must still isolate himself for at least ten days and then request the Region to submit to a single swab declaring his negativity. Some Regions, precisely because of the difficulty of following all the contacts of the positive subjects, point towards the solution of neglecting the presumed asymptomatic, so that a single swab is made at ten days and not the double swab (positive-negative). However, this path is extremely dangerous because a person who tests positive is instinctively inclined to behave with the utmost caution, especially with his close contacts. While those who have been in contact with a person with Covid but do not know if they are infected tend to follow less rigorous lifestyles. Putting everyone at risk.
Last updated: 07:27 © REPRODUCTION RESERVED
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