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The distribution strategy is gaining momentum, as the Corona 19 vaccine being developed by the US pharmaceutical company Pfizer is considered to be of excellent efficacy.
According to the AFP news agency, on the 10th (local time), the United States could soon enter an unprecedented mission to distribute and vaccinate up to 600 million doses of Corona 19 vaccine in a few months.
US Health Secretary Alex Aza said that if the approval process for the latest Pfizer vaccine in clinical trials progresses rapidly, it could begin vaccinating Americans next month.
As seen in the measles and flu cases, the large-scale vaccination mission is not a new adventure.
However, the COVID-19 outbreak presents unique challenges in that the vaccine must be distributed in large quantities in a short period of time, that most vaccines require two doses, and some vaccines must be stored under cryogenic conditions.
The COVID-19 vaccine being developed by Pfizer should be kept at -70 degrees Celsius when stored, unlike the flu vaccine that can be stored in the refrigerator.
The Pfizer vaccine, which will be distributed in the United States, will depart for its destination at Pfizer’s largest production facility in Calama, Michigan.
Pfizer will carry out transportation operations using containers, trucks and aircraft with precision with the use of mechanical gears.
Each container with warming function contains 975 vials containing 5 doses of vaccine, along with dry ice to maintain cryogenic temperature.
Every day, six trucks deliver these vaccines to special airlines such as FedEx, UPS and DHL.
These shipments reach their destination in one or two days in the United States and in three days worldwide.
Pfizer expects vaccine delivery flights to operate around the world, on average, 20 times a day.
FedEx has also received special approval from civil aviation regulators to allow large amounts of dry ice to be loaded onto aircraft.
This is because if dry ice is sublimated on an aircraft in an accident, the safety of the flight crew can be threatened.
Once the vaccine transport container has reached its final destination, the opening of the container is limited to twice a day.
Because vaccines can be stored in shipping containers for up to two weeks, hospitals do not have to have special refrigerators.
It is noted that this outreach plan was created with large-scale vaccination facilities in mind and not small medical centers such as private hospitals.
Julie Swan, an infectious disease expert at the University of North Carolina, predicts that Americans will have to search for large supply facilities built in parking lots, at least initially in hospitals or corona test stations19, to get vaccinated.
The Centers for Disease Control and Prevention (CDC) said they do not recommend purchasing cryogenic storage devices from hospitals or healthcare facilities at this time.
(Photo = Getty Image Korea)
