Doctors who...

Are these sentences correct:
1-Doctors, who may earn more than 200,000 dollars a year, did not protest against the new measures.
2-Doctors, whose earnings might be above 200,000 dollars a year, did not protest against the new measures.
All of them were against the measures, although only some of them earn more than 200,000 dollars a year.

3-Doctors, who might have come into touch with the virus, were vaccinated.
All of the doctors were vaccinated, although only some of them had come into touch with the virus.

Gratefully,
Navi.