One thing I haven& #39;t seen pointed out much as the vaccination campaign moves forward is that this is a rare case in which individual decisions about whether to act responsibly are crucial to the outcome 1/

On issues like climate change, personal decisions are of marginal importance: we can& #39;t save the planet by persuading more people to paper instead of plastic or eat less meat. It& #39;s almost all about public policy 2/

But on vaccines, it& #39;s rapidly becoming clear that the crucial question isn& #39;t how many vaccines we can supply, it& #39;s how many people are willing to take them. Individual choices to be irresponsible and not take the shots may have catastrophic effects 3/

Unfortunately, given where America is, pointing out the destructiveness of selfish behavior will probably just encourage the bad actors to act even worse ... 4/