a vaccine which provides immunity to a variety of influenza viruses and is updated and recommended annually
Flu shots are recommended for the elderly and other populations that are at risk.
adjective 1. See under 2 (def 8). [fluhsh] /flʌʃ/ adjective 1. even or level, as with a surface; forming the same plane: The bottom of the window is flush with the floor. 2. having direct contact; being right next to; immediately adjacent; contiguous: The table was flush against the wall. 3. well-supplied, as with money; […]
/ˈflʌʃˌwɜːk/ noun 1. (architect) decorative treatment of the surface of an outside wall with flints split to show their smooth black surface, combined with dressed stone to form patterns such as tracery or initials
[fluhs-ter] /ˈflʌs tər/ verb (used with object) 1. to put into a state of agitated confusion: His constant criticism flustered me. 2. to excite and confuse with drink. verb (used without object) 3. to become agitatedly confused. noun 4. nervous excitement or confusion. /ˈflʌstə/ verb 1. to make or become confused, nervous, or upset noun […]
[fluhs-trey-tid] /ˈflʌs treɪ tɪd/ adjective 1. flustered; agitated. adj. 1712, jocular formation from fluster + frustrated.