Yes this is what I said.
2 months isn't "longterm". Testing has always taken years for new vaccines. The fastest a new vaccine has ever been produced is 4 years for the mumps. There's also never been a coronavirus vaccine (SARS, MERS etc) because there's been major safety concerns.
It is true that there was never a SARS or MERS vaccine approved for use.
There was probably never a vaccine for SARS because it was contained before it could get out of hand, so developing a vaccine now would be a questionable use of resources. And while they have never approved of a MERS vaccine, there has certainly been development work on it (e.g. actual clinical trials), and if it had been as problematic as Covid19 I am sure more resources would have been dedicated to finishing it.
https://clinicaltrials.gov/ct2/show/NCT03615911
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