“But, if you want to spend your life understanding the human immune system at the highest level and making revolutionary discoveries that save lives, keep science alive, and protect your scientists from politics while the people who pay for your labs all want happy talk and photo ops every single day, sometimes you write letters.”
I can understand that.
What has not been explained, AFAIK, is the disparate response between H1N1 and COVID-19.
Give it a few weeks.
Then you will understand.