Their death rate in April was the same as the peak of the second wave in December.
https://time.com/5107984/hospitals-handling-burden-flu-patie...
No, they aren't. Your article is talking about the 2017-2018 flu season, which was an anomaly when it came to hospitalizations and deaths. Both hospitalizations and deaths that season were about double what they normally are[1]. About 61k people died in the US during that flu season, where about 20k-35k normally die. There were 810k hospitalizations, while hospitalizations usually fluctuate between 250k-500k.