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The vaccine for coronavirus

Mohamed Ibrahim Bassyouni
2020 / 5 / 16

With over a hundred vaccines for Covid-2 virus under research and development, most researchers are highly confident of at least one success. All the experts expectations indicate that it may be available at the end of this year, but the huge production operations required to cover billions of people may take up to perhaps the second half of 2021, and the developed companies may permit a large number of local factories around the world to produce to accelerate the process.
It is expected that the coronavirus vaccine, like the annual influenza vaccine, will change every year because the virus changes every year, as the new strain of the virus is announced annually by the WHO and then manufacturing begins. But researchers do not know how long the immunity against it lasts, so we may need annual activation doses to make the effect of the vaccine last for several years and not a different vaccine each year.




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