Also included in this show:
In the United States, the vaccination campaign is continuing while the quantified objectives put forward by Joe Biden have not been reached. The president had promised collective immunity for the summer, but this goal is still far from being achieved. If 334 million doses have been administered, just under 50% of Americans are to date fully vaccinated. In New York, one of the cities where the serum has been administered the most, we are now trying to convince the recalcitrant. Report from our correspondents on site, Jessica Le Masurier and Fanny Chauvin.
We’ll also talk about some subtle effects of climate change. American researchers are wondering about the changes observed in desert cacti, a now endangered species.