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Diep Kim Chi, living in Hanoi has just had a business trip to Ho Chi Minh City. To limit contact with crowds, she completed online check-in procedures, made a medical declaration and took a screenshot of the QR code before going to the airport.<blockquote>"Normally, I still make a medical declaration and scan the QR code to get in and out of the office with the NCOVI app. But when I go to the airport, the QR code from this application is not accepted because there is no box to fill in the number above. flight, seat number. Airport staff instructed me to declare under the link of the Ministry of Health. It took me five minutes to re-fill the personal information as required," Kim Chi said.</blockquote>As of 5 pm on June 1, Bluezone has attracted 35.24 million downloads, however, in order for the technology to maximize its tracing ability, at least 60% of users in the community must open the application.Chi is not the only one who has had problems with medical declarations. Many people without smartphones are forced to declare on paper. Older people have difficulty working on mobile phones. This used to be one of the reasons why the airport was congested. Those who actively limit contact with people like Chi are stuck with the crowd because there are many medical declaration applications but the data is not circulated and the information needs to be provided.<figure class="image"><img src="https://api.estuary.solutions/estuary-web-mediafile/file/3ab8e9d8-46d3-4981-b321-2605ce52d15d"><figcaption>Bluezone app on mobile phone</figcaption></figure>And yet, as soon as he arrived in Ho Chi Minh City, Chi continued to be asked to download the Bluezone application to support tracing in the context of the complicated development of the disease in the city. Previously in Hanoi, she had installed this application, but like many people around, she removed the application last month due to battery consumption and the epidemic situation has calmed down."I have to use three platforms to serve medical declarations, support tracing. I personally support the use of technology to fight the epidemic, but technology also needs to be simple so that everyone can use it, not should be too complicated. It is possible to integrate these three applications into one so that people will not be confused," Chi said.Currently, the medical declaration can be made on four platforms: Vietnam Health Declaration, NCOVI, Bluezone and website tokhaiyte.vn. If the paper declaration is included, Vietnamese people have 5 ways of making medical declarations.Mr Do Cong Anh, Deputy Director of Informatization Department, Ministry of Information and Communications, said that the reason there are many applications with the same function are operating at the same time is because the development of the epidemic is too fast and unexpected. "Agencies and businesses participating in anti-epidemic must develop an application within 24 hours. To meet the demand for tracing, each unit is assigned to develop a platform, which is used for import declarations, the declaration platform in the community, the tracing platform, etc.", Mr Cong Anh shared.<h3>There are three major shortcomings with current forms of medical declaration:</h3>First, the paper-based medical declaration brings the lowest efficiency because of the time consuming, inconvenient, while the tracing efficiency is not high, the data is not digitized, systemized and connected with other platforms. &nbsp;The second shortcoming comes from online declaration applications. Initially data from scattered platforms, not connected to each other. According to a representative of the Department of Informatization, the fact that the data is not centrally managed, leading to fragmentation, makes it difficult to deploy total solutions. For example, Bluezone has close contact data, while Vietnam Health Declaration has data from people entering the country. "When implementing solutions that need to be interconnected, such as scanning QR Codes, or unifying data in medical declarations, we cannot connect a user's data across different applications," he said. &nbsp;To solve the problem of distributed data, from May 28, the Ministry of Information and Communications said: "All electronic medical declaration data from systems directed by the National Steering Committee for Covid-19 Prevention and Control deployed, are connected and concentrated in the system managed by the Ministry of Health. The Ministry of Information and Communications supports the construction and operation". This unit has also finished designing the overall data synchronization model between applications. In the near future, applications will be upgraded to accommodate this change.The third shortcoming comes from the number of people using Bluezone. Tracing close contacts through the Bluezone application is one of the technological spearheads in the context of rapidly spreading community infections. However, according to Oxford University research, it must be over 60% of the adult population to install the tracing application to be effective in quarantine. In fact, the number of Bluezone users in Vietnam is still not as expected. "The number of users in Vietnam is currently about 30%. If we raise this number to 50%, the application will be effective, and if the number of users reaches about 60% of the population, we can return to life as we were. normal", said a technology expert from the Ministry of Information and Communications.Explaining that the number of people installing the Bluezone application in Vietnam is still low, Xuan Vinh, a security expert at a technology company in Ho Chi Minh City, said that in the past, users were still sceptical about the transparency of the application. use. The development team takes time to convince users. When everything is clear, re-use encounters obstacles on the part of users. "Not everyone in Vietnam has a smartphone to install applications. Many elderly people do not know how to manipulate and use the software. Even many people install it to cope because in fact, turning on Bluetooth continuously is quite expensive. battery and cause the device to overheat," he said.To achieve the ideal number of users, the authorities also propose to penalize those who do not install the Bluezone application when going to public places. However, this is controversial in the community because there is no clear regulatory framework. "The problem people worry about is who will have the right to check citizens' phones. This is not just personal property or mere papers, but a place where a lot of private data is stored. This information is spread out, who will be responsible. In addition, how will those who do not want to use or cannot use smartphones be handled?", Quang Thuan, an office worker in Phu District Nhuan, HCMC, questions.In addition, those working on information security and safety are especially concerned that centralizing data on one system will be like "putting all your eggs in one basket". Without careful protection measures, this will be a "delicious bait" for hackers. Committed to the safety of data, a representative of the Ministry of Information and Communications confirmed that the user's data will be deleted after one month of storage. In addition, the data is also guaranteed maximum security by the Information Security Department, the Ministry of Defense and leading security companies in Vietnam.&nbsp;

Inadequacies in anti-epidemic applications

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Vietnam has at least four medical declaration and tracing platforms that confuse people every time they provide information to the authorities.

Inadequacies in anti-epidemic applications

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