WHO experts said on Tuesday that it was possible to delay the administration of the second injection of the Pfizer / BioNTech vaccine by a few weeks "in exceptional circumstances of epidemiological contexts and supply constraints".

The second injection of the Covid-19 vaccine developed by the Pfizer and BioNTech laboratories can be delayed by a few weeks in "exceptional circumstances", WHO experts said on Tuesday.

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The Strategic Advisory Group of Experts (SAGE) on immunization "recommends the administration of two doses of this vaccine within 21 to 28 days," its chairman, Alejandro Cravioto, told a press conference. by indicating that it was possible to delay the administration of the second injection by a few weeks "in exceptional circumstances of epidemiological contexts and supply constraints".

>> More info to follow