Serological investigation of asymptomatic cases of SARS-CoV-2 infection reveals weak and declining antibody responsesSARS-CoV-2 감염의 무증상 사례에 대한 혈청학적 조사는 약하고 감소하는 항체 반응을 보여줍니다Research Article Published on 2021-05-182022-09-12 Journal: Emerging Microbes & Infections [Category] SARS, 진단, [키워드] Analysis antibodies antibody Antibody Response antibody-secreting cell Asymptomatic Asymptomatic case asymptomatic infection asymptomatic subject asymptomatic subjects B-cell breadth carried cellular response conducted contributed courses COVID-19 COVID-19 outbreak cytokine response declined declining decrease disease effective Factor Frequency Humoral immunity IgM and IgG immune response Immunity lymphopenia natural infection Neutralizing antibodies performed population immunity proportion recovered patients Reinfection reveal SARS-CoV-2 SARS-CoV-2 IgG antibody SARS-COV-2 infection serological serology Serosurvey significantly lower suggested symptomatic patient Vaccine weak antibody response Wuhan [DOI] 10.1080/22221751.2021.1919032 PMC 바로가기 [Article Type] Research Article
Characteristics, clinical and laboratory data and outcomes of pregnant women with confirmed SARS-CoV-2 infection admitted to Al-Zahra tertiary referral maternity center in Iran: a case series of 24 patients이란 Al-Zahra 3차 의뢰 산부인과 센터에 입원한 SARS-CoV-2 감염 확인된 임산부의 특성, 임상 및 실험실 데이터 및 결과: 24명의 환자에 대한 일련의 사례Case Report Published on 2021-05-172022-09-01 Journal: BMC Pregnancy and Childbirth [Category] 진단, [키워드] abortion age Anosmia approved Asymptomatic case Asymptomatic cases Blood Group Blood pH Caesarean section Case series case sery change clinical clinical record clinical records clinical symptom Clinical symptoms complications cough COVID-19 COVID-19 complications diagnosis of COVID-19 diarrhea during pregnancy Dyspnea ethics committee evaluate Evidence evidence of Fever finding form gestational age greater healthy HELLP syndrome higher risk hospital Hospitalized hypertension immaturity indication Infection Iran Laboratory laboratory characteristics laboratory data lymphopenia maternity hospital morbidity and mortality myalgia Neonatal Neonate Newborn NICU NICU admission no evidence of no increase normal range nulliparous Obstetric outcome oxygen oxygen saturation Patient Pharyngeal swab Placenta pregnancies Pregnancy pregnancy complications pregnancy-induced hypertension pregnant patient pregnant patients pregnant women Premature premature labor Prevalence referred to Result risk SARS-COV-2 infection SpO2 Symptom Tabriz term tested Transmission university vertical vertical transmission was performed women [DOI] 10.1186/s12884-021-03764-y PMC 바로가기 [Article Type] Case Report
Detecting infected asymptomatic cases in a stochastic model for spread of Covid-19: the case of Argentina코로나19 확산 확률적 모델에서 무증상 감염자 검출: 아르헨티나 사례Article Published on 2021-05-112022-09-10 Journal: Scientific Reports [Category] SARS, 치료기술, [키워드] added Asymptomatic Asymptomatic case contagious country COVID-19 pandemic Effect elapsed Epidemiology Evolution heterogeneity heterogeneous population infected individual infected individuals Influenza influenza epidemic interconnection intrinsic introduced Isolation Local mechanism pandemic parameter population density predict public policies second wave Spread Standard Statistical physics, thermodynamics and nonlinear dynamics vaccination [DOI] 10.1038/s41598-021-89517-5 PMC 바로가기 [Article Type] Article
Estimation of Undetected Asymptomatic COVID-19 Cases in South Korea Using a Probabilistic ModelArticle Published on 2021-05-062022-10-29 Journal: International Journal of Environmental Research an [Category] COVID-19, SARS, [키워드] addition Asymptomatic Asymptomatic case Asymptomatic COVID-19 asymptomatic infection confirmed case country COVID-19 estimate estimation Evidence Increasing Infection Model pandemic Patient probabilistic model proportion SARS-CoV-2 Screening South Korea symptomatic case symptomatic infections total population undetected [DOI] 10.3390/ijerph18094946 PMC 바로가기 [Article Type] Article
Unravelling the early warning capability of wastewater surveillance for COVID-19: A temporal study on SARS-CoV-2 RNA detection and need for the escalationCOVID-19에 대한 폐수 감시의 조기 경보 기능 풀기: SARS-CoV-2 RNA 탐지 및 확대 필요성에 대한 임시 연구Article Published on 2021-05-012022-09-11 Journal: Environmental research [Category] SARS, 치료기술, [키워드] analyzed approach Asymptomatic case average can not city clinical test Clinical tests Concentration confirmed case confirmed cases coronavirus COVID-19 COVID-19 case COVID-19 cases COVID-19 pandemic declined Early warning system Escalation fluctuation Genome help hotspot hour identify India lead management offer ORF pandemic plant positive pre-symptomatic predict Registered S-gene SARS-CoV-2 SARS-CoV-2 genome SARS-CoV-2 RNA SARS-CoV-2 RNA detection study period Surveillance Treatment Variation wastewater wastewater based epidemiology wastewater surveillance water [DOI] 10.1016/j.envres.2021.110946 PMC 바로가기 [Article Type] Article
SARS-CoV-2 infection in pregnant women and newborns in two maternity hospitals in Salvador-Bahia, Brazil브라질 살바도르-바이아의 두 산부인과 병원에서 임산부와 신생아의 SARS-CoV-2 감염Article Published on 2021-05-012022-09-11 Journal: The Brazilian journal of infectious diseases : an [Category] SARS, 치료기술, [키워드] Abnormalities Asymptomatic case Asymptomatic cases Brazil coronavirus disease COVID-19 cross-sectional cross-sectional study detectable enrolled highlight hospital Hospital admission In-hospital Isolation Maternal mortality rate measure mortality rate New coronavirus Newborn Newborns outbreak Pregnancy pregnant women Prevalence Prevent proportion representing SARS-CoV-2 SARS-COV-2 infection SARS-CoV-2 infections Spread Transmission was performed with COVID-19 [DOI] 10.1016/j.bjid.2021.101591 PMC 바로가기 [Article Type] Article
Estimating the effectiveness of routine asymptomatic PCR testing at different frequencies for the detection of SARS-CoV-2 infectionsSARS-CoV-2 감염 감지를 위한 다양한 빈도의 일상적인 무증상 PCR 검사의 효과 추정Research Article Published on 2021-04-272022-09-01 Journal: BMC Medicine [Category] MERS, 진단, [키워드] Asymptomatic Asymptomatic case Asymptomatic cases asymptomatic infection Bayesian Care Course COVID-19 dataset detect Effectiveness estimates Frequency healthcare worker Healthcare workers help hospital infected individual infected individuals Infection medical staff Nasopharyngeal swab notification outbreak PCR PCR test PCR testing peaked performed populations positive PCR test Presymptomatic infections Prevent Probability proportion provided Result returned routine RT-PCR SARS-CoV-2 SARS-COV-2 infection sensitivity statistical model supplementary material symptom onset symptomatic case symptomatic cases symptomatic infection Symptoms test results Test sensitivity twice weekly Vulnerable populations [DOI] 10.1186/s12916-021-01982-x PMC 바로가기 [Article Type] Research Article
HLA-A*11:01:01:01, HLA-C*12:02:02:01-HLA-B*52:01:02:02, Age and Sex Are Associated With Severity of Japanese COVID-19 With Respiratory FailureImmunology Published on 2021-04-222022-11-01 Journal: Frontiers in Immunology [Category] COVID-19, MERS, SARS, [키워드] acute respiratory syndrome age allele Analysis association Asymptomatic case can be used case-control analysis center clinical marker clinician Comorbidities confounding factor coronavirus coronavirus disease COVID-19 decrease develop Diagnosis disease eight failure global health Haplotype help highest HLA HLA allele HLA gene hospitalized COVID-19 patients identify infected individual Japan Japanese knowledge majority Medicine Mild mild symptoms Mortality Next-generation sequencing outbreak pandemic Patient recruited remained respiratory risk SARS-CoV-2 sensitivity severe COVID-19 severe respiratory symptoms severity of COVID-19 Sex significantly specificity susceptibility genes susceptible Tokyo utility virus was performed WHO with COVID-19 World Health Organization [DOI] 10.3389/fimmu.2021.658570 PMC 바로가기 [Article Type] Immunology
Descriptive epidemiology of the first wave of COVID-19 in Petaling District, Malaysia: Focus on asymptomatic transmission말레이시아 페탈링구 코로나19 1차 유행병 기술역학: 무증상 전파를 중심으로Covid-19 Published on 2021-04-212022-09-10 Journal: Western Pacific Surveillance and Response Journal [Category] MERS, SARS, 치료기술, [키워드] analysed Asymptomatic Asymptomatic case Asymptomatic cases Characteristics close contact Cluster common Comorbidities Comorbidity conducted confirmed cases contact with cough COVID-19 COVID-19 case COVID-19 cases COVID-19 outbreak date of onset death Descriptive analyses Descriptive analysis Descriptive epidemiology District epidemiological link Epidemiology Face masks Fever First wave focus forms had no hand hygiene Health health facilities health office hygiene incidence rate infections laboratory-confirmed Local local infections Malaysia Multiple occurred office remained reported Research Result social distancing sore throat Symptom symptomatic Symptoms the disease Transmission transmission of SARS-CoV-2 transmitted Travel were recorded [DOI] 10.5365/wpsar.2020.11.4.001 PMC 바로가기 [Article Type] Covid-19
Evolving Epidemiological Characteristics of COVID-19 in Hong Kong From January to August 2020: Retrospective Study2020년 1월부터 8월까지 홍콩에서 진화하는 COVID-19의 역학적 특성: 후향적 연구Original Paper Published on 2021-04-162022-09-10 Journal: Journal of Medical Internet Research [Category] MERS, SARS, 치료기술, [키워드] 95% CI age Apple Asymptomatic Asymptomatic case Asymptomatic cases best Care case sery case study change characterized China Cluster Contact Containment containment delay Course COVID-19 COVID-19 transmission dimension disease course disease transmission distribution distributions effective epidemic wave epidemic waves epidemiological Epidemiology event evolving epidemiology Factor following globe Health care help Hong Kong household Households imported cases interval intervals Intervention Isolation Local Log-normal distribution mandatory Mobility multivariable regression model multivariable regression models objective occurred outbreak outcome parameter parameters peaked predicted presymptomatic transmission preventive measures proportion public health quantified reduced reproductive Result retrieved SARS-CoV-2 second Serial interval suggested Support symptom onset the disease the epidemic trajectory Transmission Variation Wave [DOI] 10.2196/26645 PMC 바로가기 [Article Type] Original Paper