Health experts urge stronger surveillance as bird flu cases decline in humans

©(AP Photo/Andres Kudacki, file) Vocabulary: I will read the words, meanings, and sample sentences. Then, repeat after me. vigilance /VIJ-uh-luhns/ [noun] – careful attention to possible danger or problems The security team maintained strict vigilance during the international summit. deterioration /dih-teer-ee-uh-REY-shuhn/ [noun] – the process of becoming worse Experts are concerned about the deterioration of coral reefs due to climate change. vulnerable /VUHL-ner-uh-buhl/ [adjective] – likely to be harmed or affected by something The elderly are especially vulnerable during heatwaves. diagnostic /dahy-uhg-NOS-tik/ [adjective] – used to identify a disease or problem The hospital purchased new diagnostic equipment to detect heart conditions. complacency /kuhm-PLEY-suhn-see/ [noun] – a feeling of being too…
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