单词	cold sore
释义	cold sore noun : a group of fluid-filled blisters appearing about or within the mouth that are caused by a herpes simplex virus and upon rupturing form crusts called also fever blister compare canker sore Example Sentences Recent Examples on the Web The person passing on the infection need not have symptoms to transmit the infection, although the presence of a cold sore dramatically increases the likelihood of infection. Dr. Keith Roach, oregonlive, 16 Sep. 2021 The object is to avoid kissing the one with the cold sore. Washington Post, 5 Aug. 2021 One 2017 study looked at 23 common infections including chickenpox, shingles and cold sores and found genes that seemed to be associated with many of them. oregonlive, 20 Apr. 2020 Herpes type 1 or oral herpes is a virus that causes painful cold sores on your mouth and lips. Yerin Kim, Seventeen, 16 Jan. 2020 Researchers affilated with the organization estimated that 3.7 billion people under the age of 50 are infected with HSV-1, the type of herpes most people associate with cold sores on the mouth. Kristine Thomason, Health.com, 29 Oct. 2019 Cold and flu virus, cold sores, those viruses they're not usually not transferred through food. NBC News, 28 Nov. 2019 Numbing medication caused her reaction In his patient’s case, her reaction was caused by benzocaine, an active ingredient found in over-the-counter toothache and cold sore medicine. Cnn.com Wire Service, The Mercury News, 19 Sep. 2019 Neither Angus or myself have ever had a cold sore in our lives. Michelle Gant, Fox News, 19 July 2018 See More Word History First Known Use 1870, in the meaning defined above Medical Definition cold sore noun : a vesicular lesion that typically occurs in or around the mouth, that initially causes pain, burning, or itching before bursting and crusting over, and that is caused by a herpes simplex virus which remains dormant in the body and may be reactivated by a variety of factors (as stress, fever, or sunburn) called also fever blister compare canker sore
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