Vaccination is progressing, and its positive effects on severe cases of Covid-19 are already visible.
On the other hand, for lack of sufficient vaccination coverage, the number of daily infections has continued to increase for more than a month.
To discover
Covid-19: what we know about the Delta variant
According to the CDC, the US health services, the Delta variant caused vaccines to lose some of their effectiveness in limiting contagiousness. A vaccinated individual could therefore still transmit the disease. These statements come about ten days after those of the Israeli health authorities going in the same direction.
"These observations confirm several in vitro studies,"
observes Mylène Ogliastro, virologist and research director at INRAE in Montpellier.
It is known that the antibodies produced following the vaccine are a little less effective against the Delta variant. However, they play a decisive role in preventing contagion, so it is quite logical to see the consequences in real population. ”
Read also:
Is the viral load of the Delta variant 1260 times higher?
Vaccinated remain
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