They did say when Vaccines were being developed it might become and annual thing to have a booster so it isn't a great surprise. However there will come a point a combination of mutating into a weaker strain and natural immunity will probably mean in a few years they will get relegated to flu...
Just to clarify, if you don't have a vaccine when the opportunity presents itself and you haven't got a medical reason why not (I have sympathy with pregnant women not having it until the give birth) you are an extraordinarily selfish human being.
If you think you know better than the entire...