@WHO: As of December 2020, there are over 2⃣0⃣0⃣ vaccine candidates for #COVID19 being developed. Of these, at least 5⃣2⃣ candidate vaccines are in human trials and several others currently in phase I/II. More details 👉https://t.co/2V0FOThmpl https://t.co/3vnG7mTfdZ

@WHO: As of December 2020, there are over 2⃣0⃣0⃣ vaccine candidates for #COVID19 being developed. Of these, at least 5⃣2⃣ candidate vaccines are in human trials and several others currently in phase I/II. More details 👉https://t.co/2V0FOThmpl https://t.co/3vnG7mTfdZ

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