for several years I would encourage you to step it up a bit. (The without a vaccine isn't encouragement to avoid vaccines - but if you are getting the flu vaccine being cold-free is a better measure of how effective your precautions are.)
Even if you believe that you are safe from serious consequences, based on your demographics - slowing the spread of COVID 19 is likely to be critical to ensuring that there are enough health care resources to protect those who are not safe from serious consequences beacase no one is immune and the more people who have it, the less likely it is that the vulnerable will be able to avoid it - no matter how perfect their own precautions are.
Stepping it up would include inceasing washing frequency (every time you move from one location to another, for example), avoiding touching door handles, maintaining social distance (no handshakes, hugs, standing farther away than is comfortable based on what you are used to), and minimizing time in crowds.
It doens't have to mean locking yourself in your house, but perhaps something between what you are doing now and what your neighbors are doing would be helpful.
Here's a perspective I find useful:
Forget all that. Preparing for the almost inevitable global spread of this virus, now dubbed COVID-19, is one of the most pro-social, altruistic things you can do in response to potential disruptions of this kind.
. . .
What does “flattening the curve” mean for the current COVID-19 threat facing us: the emerging pandemic of this human coronavirus? Epidemiologists often talk about two important numbers: R0 or how infectious a disease might be, expressed as the number of people that are infected by each person who’s been infected; and the case fatality ratio (CFR): the number of people who die as a result of being infected. For example, an R0 of two means each infected person infects two people on average, while a number less than one means the disease is likely dying out in the population. Some diseases are deadlier than others: the average case fatality ratio for Ebola has been around 50 percent, for example, while the common cold is rarely deadly for otherwise healthy individuals.
But here’s the thing. Such epidemiological numbers are not fixed or immutable. They are not constants that exist independent of our actions. Where they land depends on the characteristics of the pathogen but also our response. By preparing now, we can alter both of those key numbers and save many lives.
The infectiousness of a virus, for example, depends on how much we encounter one another; how well we quarantine individuals who are ill; how often we wash our hands; whether those treating the ill have proper protective equipment; how healthy we are to begin with—and such factors are all under our control. After active measures were implemented, the R0 for the 2003 SARS epidemic, for example, went from around three, meaning each person infected three others, to 0.04. It was our response to SARS in 2003 that made sure the disease died out from earth, with less than a thousand victims globally.
Similarly, how many people die of seasonal influenza (or COVID-19) depends on the kind of health care they receive. In China, death rates are much higher in the overwhelmed Hubei province than the rest of the country exactly because of the quality of the care. Hospitals only have so many beds, especially in their intensive care units, and those who have a severe case of COVID-19 often need mechanical ventilation and other intensive care procedures. When they are out of beds, people end up languishing at home and suffering and dying in much larger numbers.
All this means that if we can slow the transmission of the disease—flatten its curve—there will be many lives saved even if the same number of people eventually get sick, because everyone won’t show up at the hospital all at once. Plus, if we can flatten that curve, there is more time to develop a vaccine or find antivirals that help.
https://blogs.scientificamerican.com/observations/preparing-for-coronavirus-to-strike-the-u-s/
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