COVID appeared in March, they had the vaccine in clinical trials by April. The technical aspects aren't a factor here - the time taken to develop a vaccine is basically instant.
Covid poured accelerant on MERS vaccine research. Suddenly, there was a disease with lots of cases with lots of people willing to sign up for trials. In addition, there was a lot of money sloshing around so companies were willing to take the financial risk to combine Phase II and Phase III trials (to be fair--a Covid vaccine passing a Phase II trial was always going to pass a Phase III trial until we had many different vaccines). And, please do remember, nobody knew if mRNA for Covid was actually going to work.
Other mRNA vaccines are in the pipe. However, they have to go through trials with a lot less funding and a lot less money at the end. Rabies(!) got a Phase I trial--but it's hard to get to Phase II since rabies is so rare. mRNA flu vaccines are in Phase III. mRNA HIV vaccines are in Phase I and may be in Phase II by now.
What you see is that if we drop the equivalent of the Manhattan Project at producing a vaccine, we can pretty much produce a vaccine for a virus in a hurry. However, if we're not willing to drop that kind of cash, progress is slow.
If you want more vaccines, tell some of these multi-jillionaires to quit fucking around with virtual crap like Bitcoin and Twitter and start dropping some non-virtual gigabucks on vaccine companies that are trying to produce real products.
That was a good standard and an appropriate thing to do. But that standard is lower than what the medical regulators usually accept. As you point out, Phase 3 trials are good to do but it is going to make it a lot harder to get a vaccine to market if people have to take them seriously. Vaccine makers should be allowed to sell vaccines that are merely safe and effective; they shouldn't have to pass a higher standard than that to sell the things with a disclaimer label.
As an aside I'd also question the efficacy results as the vaccines are probably a lot less effective now. It appears the virus has mutated quite substantially. But that hasn't changed the vaccine approval status, raising interesting questions around why efficacy is even a requirement to sell the thing. Why not just a safety study with the requirement that efficacy data will be collected and made available? We need to figure out if something is efficacious, but there will be more money to do that - and better data - if it is allowed to go to market. As we can see from COVID, jabs in arms and money are the two things missing to make vaccine development fast. The normal regulatory framework makes both those things hard to get.
> If you want more vaccines, tell some of these multi-jillionaires to quit fucking around with virtual crap like Bitcoin and Twitter
Didn't most of the wealthy people in Bitcoin make their money in Bitcoin? There weren't a lot of ultra-wealthy people putting serious money behind it as I recall.
[0] https://www.reuters.com/world/europe/finland-pauses-use-mode...
The reality of drug approvals is that they always take into account proven benefits and risks (including some room for yet-unknown risks) compared to the available alternatives (including other vaccines, other medication, or even not treating the disease at all).
This calculation was not necessarily changed for Covid in some special way. The bug difference with Covid was that governments pumped billions into getting the research done, as did the companies themselves knowning that they will likely be able to literally sell tens of billions of doses of this vaccine if they make it work even a little bit.
