Try continuously. Every problem is someone else's fault, and every success is solely because of him.
Also the swine flu was much less of a problem for the US: the CDC reported less than 13,000 deaths in the US over a one year period vs stats today of over 34,000 for COVID-19 in just a few months — despite the extra precautions taken.
https://en.wikipedia.org/wiki/Concentration_of_media_ownersh...
Still, it seems to me that the Trump administration originally clearly wanted to go for a 'herd immunity' strategy and changed it due to political rather than practical considerations. I'm quite sure that if it had the relationship with the fifth estate that, say, the Biden campaign enjoys, there would have been very little political fallout as a result. The press has managed the truth far more aggressively for other administrations.