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What's the difference between bivalent, bivalent, and bivalent cervical cancer vaccines? Q & A on th

Recently, the application for listing of nine price HPV vaccine in mainland China has been accepted. Is HPV vaccine really effective? Who should be vaccinated? How about the safety? It will be once and for all after vaccination? What's the difference between bivalent, bivalent and bivalent? If bivalent and bivalent vaccines have been vaccinated, can we vaccinate bivalent? Let's take a look at these issues.