Another check that’s free, is your passenger side header hit the positive battery cable, new fuel filter is also an inexpensive preventative maintenance thing to try. I had a new filter fail, it was a canister type though.
To put things into perspective for myself I googled flu death for 2017 and 2018. The results surprised me for sure. For the USA only I found 69,000 flu related deaths for 2017 and 80,000 for 2018......