"All the data that we have seen show that one dose is sufficient," Marie-Paule Kieny told journalists in Geneva.
“所有数据都表明一剂足矣，”Marie - Paule Kieny在日内瓦告诉记者。
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Director of WHO's Initiative for Vaccine Research, Marie-Paule Kieny, says some of the batch es also are likely to be used in future vaccination campaigns.