No Sir. As I said, not even a Flu shot. Were you aware that almost 99% of folks with a healthy immune system actually survive a Covid infection? Of those, 100% are never seriously ill again?
Why not?
Because their immune systems have identified, marked, & coded the virus and immediately start generating anti bodies to kill it or any other "variants". It's another reason there is no "cure" or vaccine against the common influenza virus. While it mutates into literally millions of variations, no vaccine can be built that introduces that many different strains into our immune system. But on its own, your powerful immune system with help from reinforcements like Zinc, ascorbic acid, Viramins D, E, K, iron, selenium, B12, and antioxidants can handle almost any flu strain to kill the spread of the virus or so weaken its symptoms you can recover from an infection on a matter of a few days.
Same with this virus. No one who survives a Covid infection passes the infection on to someone else, and they rarely if ever become re-infected. Your own powerfully designed healthy immune system is quite frankly miraculous.