updated stats : https://www.worldometers.info/coronavirus/
Vaccines teach our bodies to fight the infection and are "the" exit strategy from the pandemic.
How are vaccines made ?
Vaccines are made by taking viruses or bacteria and weakening them so that they can't reproduce (or replicate) themselves very well or so that they can't replicate at all. Children given vaccines are exposed to enough of the virus or bacteria to develop immunity, but not enough to make them sick.
Complete info on how covid-19 vaccine is made: https://www.nytimes.com/interactive/2020/science/coronavirus-vaccine-tracker.html
The coronavirus pandemic continues to grow with second and third waves reported in many countries. Vaccines are, however, also being rolled out in many places. Rich countries have already secured supplies while poorer countries await their turn.
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