For reasons I can’t quite grasp myself, I have been arguing with anti-vaxxers and COVID hoaxers on social media. And while I have no hope of arguing people out of some of the more serious paranoid delusions they are absolutely committed to, I can at least address the frequent questions about why everyone (or at least as many people as possible) needs to get vaccinated and continue to wear masks and observe reasonable social distancing for the time being.
The main concept people need to grasp is this: the goal is not “risk elimination”, it’s “risk reduction”. That’s very important.
To use an example: if you drive or ride in a car, you can never completely eliminate the risk of dying in a car crash. But we have developed myriad risk reduction methods, from speed limits and drunk driving laws to seatbelts and airbags to better road designs. None of those things are guaranteed to save your life in a crash, but the risk of death or serious injury is a lot smaller.
Likewise, vaccines are not magic potions that give you a 100% impenetrable bubble against viruses. No vaccine is 100% effective, and not everyone can be vaccinated. They do, however, greatly reduce transmissibility - which means that if enough people get vaccinated, the transmission rate will be so low the virus will stop circulating and the pandemic will be over. Conversely, if too many people remain unvaccinated and the virus continues to circulate freely, new variants will arise which may (or may not) be worse.
Vaccines also reduce (but not completely eliminate) the risk of you having any symptoms and of you have a severe reaction to the virus. Note that at present the vast majority of people being hospitalized with - and dying of - COVID are unvaccinated.
The same applies to wearing masks and social distancing. They reduce risk of transmission; they don’t eliminate it. And masks are even more about preventing you from infecting others rather than protecting you directly (and remember that you may never know if you’re infected, but you can still pass it on to someone who will have a much more adverse reaction). When enough people do it, it works.
I get that the lack of certainty and the long time it’s taking to get to where we need to be is frustrating. And the fact that - even with vaccines and masks and social distancing - the risk of catching and/or passing on the virus still exists can make you wonder why anyone should bother.
But all you’re being asked to do is to be a responsible adult for a little while, in order to help save others’ lives as well as your own. If you can’t manage that, well, that’s on you.