First off - I agree with
@RUSK97 - it would make the thread better if you and
@Greg2020 (and a few others) didn't get into hard core bickering over masks - plenty of CE board threads to do that in. Thank you.
I will respond to your post above, though, as I think you might be confused. My having an opinion on mRNA vaccines working or not working (and on when we'd have vaccines available) was merely an academic issue, as it affected nothing or anybody else. And many in the scientific community shared that opinion (which was the basis, largely of my opinion, especially the opinion of a couple of virology experts I have high opinions of). There also wasn't any data available to "know" if they were going to work or not. It wasn't until the early phase I/II clinical trials that we had some inkling the mRNA vaccines would work - and after that data became available, I obviously changed my mind, as that was new, important information - and was thankfully confirmed in the larger phase III trials (so far).
On the other hand, the science around masking or fomite (surface) transmission, for example, has been rapidly evolving over many months as new and sometimes conflicting data came in. The problem here is we don't have and will never have the kind of nearly absolute confidence we now have in vaccines, because it's unethical to test mask efficacy or surface transmission (with or without masks) with the actual virus, so the assessments of the science can only be done indirectly by inference by comparison to other viruses and/or by analysis of transmission chains retrospectively (epidemiology), which is much more error prone and with higher uncertainty.
While I was convinced of the effectiveness of masks by early March, partly because I've actually done direct research of filtration/removal from air, via masks, of pathogens and particulates in the work setting (unpublished work that companies rarely share), it took CDC/WHO longer than it should have to come out in favor of masks, IMO. Bodies like that are often slow to change what they believe is "known," as most experts generally thought masks were great for "keeping the virus in" but not so great for "keeping the virus out." We can all debate whether they should've moved sooner, but certainly by early April it was clear how important masking was and it was becoming clear that surface transmission was a very minor route. These things sometimes take time. Having said that, though, once there was consensus on these things, IMO, people saying "masks don't work" were doing so based on feelings and not science.
With respect to my comment on vaccines being ready by the end of the year, I thought I had posted about that in late March/early April, but the first post I can find on that is linked below, which was in late April. I know early on I had been thinking February, but that moved earlier as we started to see some really good pre-clinical data in March/April. Looks like our CEO will be wrong on this (he thought 2Q/3Q for commercially available vaccines) - maybe I should send him an email, lol.
https://rutgers.forums.rivals.com/t...es-interventions-and-more.191275/post-4530396
With regard to wearing masks to prevent infected people from transmitting the virus (even asymptomatic ones), my post on 3/14 is below, whereas it took CDC until early April to recommend masks for infected people (including possible asymptomatics). With regard to masks being protective for the wearer, too, the 2nd link is to a 5/21 post on the effectiveness of various mask materials and it quotes a post from that same day on the elegant hamster experiment showing mask materials greatly reduced transmissions. Why it took the CDC until recently to say that masks also protect the wearer is beyond me.
https://rutgers.forums.rivals.com/t...es-interventions-and-more.191275/post-4450962
https://rutgers.forums.rivals.com/t...es-interventions-and-more.191275/post-4571736
For what it's worth, I also dismissed HCQ fairly early on, which was the right call and said remdesivir was likely to only be modestly effective, at best, which has turned out to be accurate. I was fairly optimistic on convalescent plasma, but the jury is still out on that, as the focus ended up being on emergency use, not randomized, controlled trials (which still annoys me), but was very optimistic about the engineered antibody cocktails and both Regeneron and Lilly should get emergency use authorizations on those shortly (clinical data look great on mild/moderately ill patients). Predicting science is hard and I think I did ok.