According to this article, most current cases are BA.5 (53%) or BA.4 (16.5%), and states you can get reinfected within a couple of months.
https://www.businessinsider.com/cov...-reinfection-contagious-health-experts-2022-7
Annecdotally it seems like the current strain lasts for about five days. My wife caught it travelling last weekend, with her symptoms starting on Sunday, so we're hoping that she's down to her last day or two.