shield
noun
a broad piece of armor, varying widely in form and size, carried apart from the body, usually on the left arm, as a defense against swords, lances, arrows, etc.
Used to describe an ongoing action or continuous state that will be taking place in the future.
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
Some will be shielding because of long-term conditions.
From BBC ● Apr. 21, 2020