Absolutely, this number may be confirmed when tested by a third party. Medias were cautious on the russian's vaccine claims until the Lancet published a study on its efficacy.
The Lancet published Andrew Wakefield's study on the connection between vaccines and autism, and the recent study on hydroxychloroquine based on entirely fabricated data.
The Lancet publishing data does not mean the data is correct, they do not verify it. It's all based on trust.