We are amid the Covid-19 pandemic with over 100M confirmed cases and over 2M deaths till now. It has outgrown as just a health crisis to affecting societies and economies at their core. The majority of countries are facing recession and the global economy has suffered through a shrink of 4.4% in 2020. With no relaxation in the rate of spread of this infection, the world is now waiting for the vaccine to provide immunity against it. Countries have started rolling out their Covid vaccination phase. The process which would have generally taken years, the medical community around the globe has accomplished in mere months. Now it is time for another humongous task, to successfully administer the dose to every person. Only a handful of vaccines have been authorized by WHO, which are being developed by only a few countries. The doses have to reach frontline healthcare workers, at-risk groups, and eventually to all people around the world. The job at hand is an immense distribution and logistics challenge and would require a groundbreaking supply chain solution. Some are hoping that blockchain combined with other technologies could play an essential role to monitor and ensure compliance with the task. It can be used to provide a near real-time and a single integrated view of the vaccination lifecycle by uniting diverse and local vaccination strategies. What Are the Challenges? Each step in the life cycle of the Covid vaccination drive starting from the manufacturing of doses at only a handful of places of the world until the successful administration to people at every corner of the world poses challenges of its own. Each country has to start with forecasting the demand for vaccines. A complete survey to determine where, when and how much of the shots would be required has to be done. According to WHO guidelines, covid vaccination has to be prioritized for frontline workers in the health and social care settings, people over the age of 65, and people who have underlying health conditions that put them at a higher risk of death. The pace of sending vaccines is also prioritized by country risk. Countries under risk of high impact of covid, countries with vulnerable health care systems, countries with vulnerable populations are to be preferred. WHO emphasizes equitable access and distribution of the vaccine to people in all countries because of limited supplies. Next comes the task of monitoring the distribution network. Each brand of the covid vaccine comes with a specific temperature requirement to ensure desired efficacy. It has to be maintained all the time during storage, transportation, distribution, and when they are in the doctors’ offices, pharmacies, or public health clinics where they’ll be administered. Moderna vaccines require an elaborate cold chain under which vaccines must be stored. It can be stored for at least three months at the temperature of a regular refrigerator. Pfizer’s vaccine must be shipped and stored at -94 Fahrenheit and requires special ultracold freezers. Indian covid vaccines, Bharat Biotech’s COVID-19 vaccine Covaxin and Serum Institute of India’s Covishield require 2-8 °C for storage. As the demand for vaccines far exceeds its supply, the governments must be ready for the proper storage and transportation facilities to ensure minimum wastage. Cold chain points, walk-in coolers, walk-in freezers, ice-lined refrigerators, and deep freezers have to be used at every phase of the supply chain. The next challenge is quality assurance. At the manufactures level, it has to be ensured that each batch of vaccine is legitimate and made to the correct standards. Covid vaccines require 2 doses separated by an interval of 28 days. It has to be ensured that the right dose is administered. Another important aspect of this vaccination drive is the adverse event surveillance. While the vaccines have been tested on tens of thousands of people during clinical trials, there may be side effects or safety issues that only become apparent when millions receive injections. Since no one can predict their long-term effects on the health of people, thus monitoring any unusual side effects or rare complications is crucial. The vaccine makers and government health agencies will need to monitor these people once they receive inoculations. How Blockchain Technology Can Help? Like any supply chain, the vaccination process would require to ensure each participant’s accountability. Each one would be having a defined set of roles and functionalities. It should always handle any complications in stock management and accurately predict the requirements, beforehand. It requires accuracy in tracking every vile of doses. The system should be able to identify and point out potential counterfeits making tampering with any process impossible. Different stakeholders of the system should be able to share data irrespective of any regulatory, security, and compliance concerns. Here, blockchain technology comes to help. Specializing in the ability to track any asset, it is the … Continued
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