To the Editor: According to the World Health Organization (WHO), the case definition for
surveillance of returning travelers requires that they need to present with fever and at least …

The COVID-19 epidemic was declared a Public Health Emergency of International Concern
(PHEIC) by WHO on 30th January 2020 [1]. As of 8 March 2020, over 107,000 cases had …

In late December 2019, a previous unidentified coronavirus, currently named as the 2019
novel coronavirus#, emerged from Wuhan, China, and resulted in a formidable outbreak in …

Abstract Background Since December 2019, when coronavirus disease 2019 (Covid-19)
emerged in Wuhan city and rapidly spread throughout China, data have been needed on …

The outbreak of Coronavirus Disease (COVID-19) in Wuhan have affected more than 250
countries and regions worldwide. However, most of the clinical studies have been focused …

Background Studies on the 2019 novel coronavirus disease (COVID-19) have generally
been limited to the description of the epidemiology and initial clinical characteristics. We …

Rapid Response to Covid-19 Outbreak in Qingdao, China After a cluster of cases was linked
to a hospital in a coastal city in China, nearly 11 million residents were tested for Covid-19 in …

Objective To investigate the epidemiological and clinical features of patients with COVID-19
in Anhui province of China. Method In this descriptive study, we obtained epidemiological …

HealthOrganizationofanovelviralpneumonia… of Wuhan, in Hubei Province. Singapore is an
independent city-state 3400 km (2125 miles) from Wuhan, but as a major air hub had an …

The severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) pandemic began in
early December in Wuhan, the 7th most populous city in Mainland China, and was reported …