“…Additionally, the extreme cold surge during 16–18 February 2021 in the United States shares similar mechanisms with the winter 2020/21 extreme cold surges in China.…”
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“…Following a market survey carried out among 84 firms in fifteen Member States, a call for tenders (IT-3167/AB/LHC) was sent on 18 February 2003 to 10 firms in eight Member States. …”
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“…The successful Mars landing of NASA’s Perseverance rover on 18 February 2021 represents another giant leap for humankind in space exploration. …”
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“…Contextual analysis of mean and standard deviation of different density classes indicated that the period from day 1 (18 February) through day 16 (6 March) was the prodrome of the epidemic, whereas days 86 (15 May) to 106 (4 June) marked the declining phase of the outbreak. …”
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“…Human-to-human transmission is confirmed, and this disease (named COVID-19 by World Health Organization (WHO)) spread rapidly around the country and the world. As of 18 February 2020, the number of confirmed cases had reached 75,199 with 2009 fatalities. …”
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“…To summarize the already undertaken work on supradiaphragmatic neoplasia and assess its quality, we performed a literature search in the PubMed database up to 18 February 2022. Inclusion criteria were: studies based on human data; at least one specified tumor type; supradiaphragmatic malignancy; performing radiomics on PET imaging. …”
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“…METHODS: A descriptive cross-sectional study was conducted in a tertiary care centre among patients with type 2 diabetes mellitus from 18 February 2020 to 18 August 2020 after obtaining ethical clearance from the Institutional Review Committee. …”
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“…The summit, organized by the Internet Healthcare Coalition and hosted by the World Health Organisation/Pan-American Health Organisation (WHO/PAHO), was attended by a panel of about 50 invited experts from all over the world and produced the foundation for a draft code, which was released 18 February [1] for an online public consultation period which ended on 14 April 2000. …”
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“…TRIAL REGISTER: ClinicalTrials.gov Registration Number: NCT03841071. Date 18. February 2019 retrospectively registered.…”
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“…Studies published in English before 18 February 2019 that evaluated any type of intervention that measured change in water consumption among children aged 2 to 12 years by applying any type of design were included. …”
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“…A cost analysis of the dental service was also conducted. RESULTS: By 18 February 2020, 89 patients had attended the clinic. …”
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“…TRIAL REGISTRATION {2A}: Current controlled trials number: ChiCTR1900021393. Registered on 18 February 2019.…”
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“…However, in the second stage, growth of COVID-19 case number was flatter and lasted longer in western provinces (from 25 January to 18 February) than in eastern and central provinces (from 26 February to around 11 February). …”
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“…Methods: The Web of Science (WoS) Core Collection database was chosen as original data and used for extracting publications on ice and snow sports injuries on 18 February 2022. Articles published in English between 1995 to 2022 were selected for this study. …”
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“…After the State Council launched a multidepartment joint prevention and control effort on 22 January 2020 and compared with data collected on 18 February, the average intracity travel intensity of the aforementioned 100 cities decreased by 60−70% (all P < 0.001). …”
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“…In this hospital-based, cross-sectional study, we enrolled a total of 324 patients with confirmed COVID-19, hospitalized at two of the tertiary level healthcare facilitates of Gyeongsangbuk-do, South Korea from 18 February to 30 June 2020. Demographic and clinical data and laboratory profiles were analyzed and multivariate logistic regression analysis was used to identify risk factors of mortality among diabetic patients with COVID-19. …”
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“…TRIAL REGISTRATION: Chinese Clinical Trials Registry ChiCTR2000029983. Registered on 18 February 2020 SUPPLEMENTARY INFORMATION: The online version contains supplementary material available at 10.1186/s13063-021-05029-7.…”
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“…TRIAL REGISTER: ClinicalTrials.gov Registration Number: NCT03841071. Date 18. February 2019 retrospectively registered.…”
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“…The method is a cross-sectional survey using an online questionnaire, and data were collected from 1935 participants between 18 February 2021 and 1 April 2021. Out of 1935 participants aged ≥18 years and residing in Saudi Arabia, 46.9% reported their intention to receive the COVID-19 vaccine, 22.4% had received the vaccine, 9.5% did not intend to receive the vaccine, and 21.2% had not made their decision. …”
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“…On Sina Weibo, a popular Chinese social media, posts with negative sentiment are valuable in analyzing public concerns. 999,978 randomly selected COVID-19 related Weibo posts from 1 January 2020 to 18 February 2020 are analyzed. Specifically, the unsupervised BERT (Bidirectional Encoder Representations from Transformers) model is adopted to classify sentiment categories (positive, neutral, and negative) and TF-IDF (term frequency-inverse document frequency) model is used to summarize the topics of posts. …”
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