En la ciudad de Buenos Aires se está llevando a cabo una importante encuesta para determinar el porcentaje de porteños que han tenido o están cursando el dengue. Se censarán 6.940 hogares, y los encuestadores, debidamente identificados, realizarán un test rápido con una gota de sangre para detectar antígenos del virus. La iniciativa busca obtener datos estadísticos precisos sobre esta enfermedad muchas veces asintomática. Las autoridades piden a los ciudadanos no rechazar la participación y abrir sus puertas a los censores oficiales.
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00:00In a survey in the city of Buenos Aires to determine what percentage of Portuguese had or we are crossing the dengue and it is very important because 6,940 homes are going to be censored and it is important, Rolo, to follow the statistics of this disease, which is often silent, because sometimes, as you say, we do not know and we have already crossed.
00:25We are, look, it is important for people because people are afraid to open the door to those who are going to be censored.
00:33And there must already be dengue structure sensors, that's it, they must already be circulating and ringing the bell.
00:39For many, you have to get cured in life. She is the nurse who goes with her respective credential. What is it, Mónica, the testing that you do?
00:52And we do more than anything to detain cases of dengue, that there are people who were asymptomatic and are detected with the antigens IgM and IgG.
01:04It's a pinchecito.
01:05Yes, it is in this cassette, which is all closed, we have it, and it is only a pinchecito with this lace that we do on the finger, like the glucemia, where a drop of blood is extracted and placed in the cassette.
01:18And then the diluent is put on to be able to know if the person has antigens or had dengue.
01:25How long to determine if he had or did not have?
01:27Five to ten minutes, nothing more.
01:30So if the person is waiting, they tell him, yes, yes, you know, you had dengue. And this is anonymous, I suppose, because what they want to do is a statistical sample.
01:39Of course, five minutes, in five minutes. And she is the surveyor. Basically, what is the basis of this survey?
01:48Well, the survey, first of all, is to approach the home, make the composition of the home, list the members of the home, both minors and seniors.
01:56And then the system randomly selects one of the members to make an individual health questionnaire about the symptoms he had in the last four months, if he was diagnosed with dengue, signs an informed consent and the nurse performs the test.
02:10The goal is to be able to determine if he had dengue or not.
02:12You told me that there is a lot of reluctance in people to open the door.
02:16Exactly, it generates a little distrust because, well, telling them that we are going to test them, they ask why, why me?
02:23Well, that's super important that they understand that it is a sample, that you cannot test all the neighbors in the city.
02:28And for that reason, we go to homes selected strictly. We cannot change homes.
02:33But how do they let you know?
02:35Fabi, I don't know if you heard me, ma'am.
02:37They don't reject participation because we can't replace them with other homes.
02:39Of course, they let you know by letter, right?
02:41Exactly, they receive a letter the week before, where they have the credential photo with all my data, informing that we are going to be passing to be able to apply this health questionnaire and perform the rapid test.
02:53Now, I am Rolando, I leave you in communication with María Eugenia Lago, who is the director of the Instituto de Estadística de Censos in the city of Buenos Aires, so that you can obviously collect information. Thank you for this.
03:04Please, thank you very much.
03:06Yes, how did they choose the homes and why? Is it because of the areas where the greatest number of infections were detected?
03:14No, basically what is done is a random sample and representative of the entire city of Buenos Aires.
03:24So, what is known later by a statistical inferential method is the result of the entire population of the city of Buenos Aires.
03:33This has to do with a statistical technique so that the data is representative.
03:39Of course, it is as if it were a well-done political survey.
03:42Well, to be honest, it is a sample, let's say probabilistic, at random, which has different stages, and what it does is allow to infer the data to the entire population of the city of Buenos Aires.
04:02It is necessary to know them in order to later undertake a vaccination campaign, because if it is not known what percentage of the population already had dengue, it is not possible to know how many doses of vaccine are missing.
04:12Exactly. Our minister is always characterized by managing through concrete and empirical data, as was also demonstrated during the pandemic, where we also work with the Ministry of Health, doing several of these operations with COVID.
04:31And right now we are working with dengue, because it is the most serious way of working in the city of Buenos Aires, managing with evidence.
04:41In this context, in which there is so much fear of someone ringing your doorbell, what is the method?
04:47I mean, also for the neighbors to know that they have to receive a letter, a photo. How do you know to prevent thieves and opportunists from appearing?
04:57We have a system where each of the members of our team has a credential, has a QR code. We have published the data of our team on our website.
05:11The police stations are notified, the municipalities are notified. They can contact the Institute for Statistics and Census of the Government of the City of Buenos Aires, which is us, who carry out the operation.
05:25And from there we are always open to be able to check and verify that the people who have rung the doorbell and are heading to the neighbor with a letter, let's say, have the corroboration of that identity. That is the most important thing.
05:42What happens is that we also appeal to the civic consciousness and the statistical consciousness of the neighbors of the city of Buenos Aires, because having data really helps us to be able to manage and direct policies in a timely and efficient way, knowing that the resources are destined to where they have to be destined.
06:04And it also helps you to know if you had a dengue that turned you over and threw you in bed, you already know, but if you had an asymptomatic dengue, it is good that you know. So it is also convenient for the person who is going to be tested.
06:16Exactly. Exactly. Yes, it has a benefit for those who are also tested. Perfectly. Yes, yes, of course.
06:24Maria Eugenia, we also thank the other two ladies for their contact. Thank you, Fabi.