@JustinFlood @Atipico1996 Summer 2021 was a peak (Delta) although 2020 wasn't. Vaccination was a lot more effective in 2021, and there were more measures in place to reduce transmission.
@JustinFlood @Atipico1996 2021 年夏季是一个高峰（三角洲），尽管 2020 年不是。疫苗接种在 2021 年更加有效，并且采取了更多措施来减少传播。