https://apnews.com/9ee117e77a3acfc92b42af31276afe19

LONDON (AP) — With major COVID-19 vaccines showing high levels of protection, British officials are cautiously — and they stress cautiously — optimistic that life may start returning to normal by early April.

Even before regulators have approved a single vaccine, the U.K. and countries across Europe are moving quickly to organize the distribution and delivery systems needed to inoculate millions of citizens.