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Coronavirus – All news: The three experimental coronavirus vaccines, which have been shown to be particularly effective in clinical trials, give humanity optimism.
Monday (11/30) Modern, announced the final results of the phase III trial of its vaccine, which indicate that it is more than 94.1% effective.
But what happens when a coronavirus vaccine is approved?
Two scientists, Kalypso Chalkidou and Nicole Hassoun, analyze on BBC the five challenges we have to face in order to vaccinate billions of people.
The right temperature
Depending on the type, it can be stored at a refrigerator temperature of 2 to 8 degrees Celsius, or it may need very low temperatures, such as -70 or -80 degrees Celsius.
It is difficult to see how it will work in areas where there is no electricity, for example.
In some parts of sub-Saharan Africa, it is estimated that only 28% of medical facilities have access to reliable electricity.
Companies are trying to find ways to address this problem, including using ice-cold boxes with thermal sensors.
Specialized staff
Some vaccines can be more easily administered by people with a more general education and others require more specialization. Different levels of health care training may be needed to get out of the cold, for example.
How will people get to the clinics?
Suppose you are in an isolated town in the Philippines, the journey can take up to 8 hours.
It is very difficult for the vaccine to reach these people.
Another problem is that you live in a very poor country and you can barely earn a living, so if you don’t work that day it means that your children will not have anything to eat.
In this case, can you go to the clinic to get vaccinated?
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