Sima Nan released another video, questioning Zhang Wenhong with Professor Rao Yi's former speech: Professor Zhang Wenhong, director of the National Infectious Disease Medical Center, once again spoke strongly. Recently, at a health conference in Haikou, Professor Zhang said: "We

2025/08/2021:41:34 science 1756

Sima Nan released another video, questioning Zhang Wenhong with Professor Rao Yi's former speech: Professor Zhang Wenhong, director of the National Infectious Disease Medical Center, once again spoke strongly. Recently, at a health conference in Haikou, Professor Zhang said:

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