One could really see if this was just one or two doctors, scientist, virologist, immunologist, pathologist but there are hundreds of them, many well published world renown individuals and to all of a sudden to be labeling the bulk of them as quacks should be having you raising your warning signals that something isn't right here.
There are a LOT of doctors in the world. Inevitably, there will be some amount of disagreement.
Table 1 shows that there are 9.2 million doctors and 18.1 million nurses worldwide. The United States, with 4% of the world's population, has 8% of the doctors and 17% of the nurses.
Source: https://www.nejm.org/doi/full/10.1056/nejmra1111610#:~:text=Table%201%20shows%20that%20there,and%2018.1%20million%20nurses%20worldwide.&text=The%20United%20States%2C%20with%204,and%2017%25%20of%20the%20nurses.
But the majority who have access to the vaccine are vaccinated. Here's a poll done for the US:
AMA survey shows over 96% of doctors fully vaccinated against COVID-19. Of the physicians who are not yet vaccinated, an additional 45 percent do plan to get vaccinated.
Source:
https://www.ama-assn.org/press-center/press-releases/ama-survey-shows-over-96-doctors-fully-vaccinated-against-covid-19