Home » Health » No Covid tampons for the asymptomatic? But are they contagious? The proposal of the Regions

No Covid tampons for the asymptomatic? But are they contagious? The proposal of the Regions

Being asymptomatic positive for the new Coronavirus means having contracted the virus, but not showing the symptoms of Covid-19 disease. According to the data reported by thelatest bulletin of the Istituto Superiore di Sanit the asymptomatic are on average 56% of the positives, percentage that it rises to 75% among children aged 2-6 (the percentages are similar in the rest of Europe). How do you find out that you are asymptomatic? The only way to have a tampon.

Pre-symptomatic and asymptomatic: what’s the difference

The data we have on the symptoms detected at the time of the swab does not distinguish between pre-symptomatic and asymptomatic. It means that a part of the population subjected to a swab (often during a screening because it is close contact with a positive) has tested positive does not show symptoms at the time of diagnosis, but may show them later (the average incubation time is approximately 5.5 days). The data of the bulletin for frozen at the time of the swab and you can not know who is really asymptomatic in all respects. Estimates on the real number of asymptomatic patients are made with serological investigations. That carried out by the Ministry of Health, concluded on July 27, 2020, observed a 27.3 per cent of asymptomatic Sars-Cov-2 HIV positive, (in the municipality of Vo ‘, in Veneto, subject ofepidemiological investigation led by Professor Andrea Crisanti, the asymptomatic detected they were even 42.5 percent).

Are the asymptomatic people contagious?

Because in the activity of contact tracing it is given so much importance to the asymptomatic? Today we know that the maximum infectivity coincides with the moment immediately preceding the appearance of the first symptoms (a couple of days before). The role of non-symptomatic individuals (pre-symptomatic and asymptomatic) therefore appears to be fundamental in the spread of the pandemic. One studio estimated that the 44 percent of infections result from pre-symptomatic individuals, another has estimated a range of 40 to 80 percent. For this reason, the tracking system aims to test all those who have had contact with positive subjects, to quickly identify even asymptomatic subjects who have a non-secondary role in the spread of the virus.

Pregliasco: It is right to give priority to the families of the infected

The contact tracing for it went into crisis due to the multiplication of cases and the Ats were no longer able to pursue all those who had contact with a positive (screening in schools have tripled the work). Today, especially in some areas of Italy, it is no longer a rarity to have had to deal with a positive. The audience of asymptomatic potentials widens and the natural consequence of epidemic growth. The Regions, with water in their throats, asked to dab only the symptomatic and family members living together, taking into account that the virus spreads mainly in the family (80% of outbreaks in the home). So who really needs to be buffered in this historical moment? You cannot swab everyone and today the request to perform tests seems motivated by the search for psychological comfort. It serves an objective need without falling into crowding warns Fabrizio Pregliasco, virologist and medical director at the Galeazzi hospital in Milan. In the situation we are in right to give priority to family members of the infected because there is really close and prolonged contact at home and the virus spreads easily. On the other hand, schools need careful evaluation. Meanwhile, help can come from rapid antigenic swabs for mass screening (not yet arrived in Lombardy, ed). Those who test positive will then be subjected to a molecular swab to confirm the diagnosis while the negatives reenter the class. Anyway since now most students also wear masks in class would not be considered “close contacts” (those who remained face to face with a positive less than 2 meters away, for at least 15 minutes and without wearing a mask, ed) and it is up to the Ats to decide carefully who to swab. To date school clusters appear to be limited. Problems arise mostly outside the school walls: in transport or even when students, especially the older ones, see each other independently.

The rule for asymptomatic positives

Asymptomatic positives must remain in isolation for at least 10 days from the time the test result is communicated to them. At the end of this period they must undergo a new swab: if it is negative they can end the isolation.

The rule for close (asymptomatic) contacts

An asymptomatic (therefore healthy) close contact must remain in quarantine for 14 days from the time he had his last contact with the positive person, if the encounter had occurred within 48 hours prior to that person being swabbed. At the end of the two weeks you should not take a tampon, unless in the meantime no symptoms have emerged or have been asked to undergo tests by health authorities. Alternatively, to shorten the quarantine time, the close contact can undergo a swab after ten days from the last contact with the positive case: if the test is negative, the quarantine ends immediately; if the swab is positive, the close contact officially becomes infected and must therefore undergo the actual isolation.


26 October 2020 (change October 26, 2020 | 13:07)

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