RE:THE EVOLVING COMPETING NATURE OF COVID SCIENCEThat is an extremely meandering way of saying that the Phizer does offers little protection against the surging new variants , at least until a period of time after your second shot, which realistically is months away. This complicates the real world situation in terms of travel, Nobody is going anywhere en mass until this virus is throttled down and people feel completely safe traveling , and that my friend is not this year !!