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Two years after its appearance, the world is still living to the rhythm of the waves of coronavirus at the start of 2022. With the outbreak of the Omicron variant, the world has recorded an average of more than 1.5 million positive cases of Covid-19 each day. This is the highest level since the start of the pandemic in 2020, according to data from Our World in Data, an online platform specializing in the inventory of official international data.
In France, according to Public Health France, in total, 52,020,924 people are fully vaccinated against Covid-19 in France, to which are added 1,246,144 people waiting for their last injection. There are also 28,364,991 people who received their booster dose. According to the Pasteur Institute, a return to normal in France is not possible before at least 90% of the population is vaccinated. What is herd immunity? Can we reach it? Can the Omicron variant help us?
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