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Data Challenges Efficacy Of Vaccine Made By Chinese Company
![An official has a blood pressure test before receiving the Sinovac vaccine against the Covid-19 coronavirus at Meuraxa Hospital in Banda Aceh on January 15, 2021.](https://npr.brightspotcdn.com/dims4/default/9faf962/2147483647/strip/true/crop/6553x4912+0+0/resize/880x660!/quality/90/?url=https%3A%2F%2Fmedia.npr.org%2Fassets%2Fimg%2F2021%2F01%2F19%2Fgettyimages-1230593865-b9ce8a86d423ead532eeae0941a2177de521ef58.jpg)
Chaideer Mahyuddin
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