[keneda7]

1. The Israel study was the only one I have seen so far. Thank you for linking to the other one. It seem these two studies pretty much contradict each other. Do you happen to have links or can point me in the direction of the other data you referenced? Edit: I did some more research on the UK study. It appears to be outdated and does not use the June and July stats when Delta actually took off. If you use the last two (18 and 19) UK governments technically briefings (https://www.gov.uk/government/publications/investigation-of-...) you can calculate the efficiency rating. From my understanding you do this by calculating the infection rates in the vaccinated and unvaccinated, then divide the infection rate in the vaccinated vs the infection rate by the unvaccinated. You then subtract this answer from 1 to get the efficiency. It varies with the age groups but for 50+ I got an effectiveness of about 17%. I could wrong in how I am going about this though. Please let me know if I am

2. I have to disagree here. The CDC report is dealing with Massachusetts residents infected (https://www.cdc.gov/mmwr/volumes/70/wr/mm7031e2.htm?s_cid=mm...). It did not include out of state infections. So I would say comparing the state vaccination rate to how many vaccinated state residents got covid is a valid comparison. In fact from what I have seen this study is being used to justify the CDC recommending masks for all again.

3. Thank you very much for this link. I keep seeing a study referenced but was not able to find it. However it has not been peer reviewed yet so we don't really know if its accurate. Any chance you have a study pre-COVID that show this?