Hacker News Reader

Over 40% of Canadians are partially vaccinated

As one of that number I was glad to see this: a single shot of the Pfizer or Moderna vaccine is 80% effective in preventing infection (vs the ~90% of two shots):

https://www.cnbc.com/2021/03/29/cdc-study-shows-single-dose-...

I'm extremely skeptical of these numbers. I've seen reports as low as 27% effective for first shot of Pfiser and as high as 95%.

I'm still getting my first one this weekend but I'm not gonna assume I'm really much safer than I was before.

I'm skeptical too, and I wouldn't gamble on a strategy that wasn't tested during the clinical trials.

Maybe it'll work, maybe it won't. It's a pretty risky move to try it out.

Reply on news.ycombinator.com