environmental health

respiratory syndrome

infectious

apoptosis_115142

asymptomatic

solvolysis

photoelectrochemical_55958

nsclc_80909

bit ly

sars-cov_137429

eeg_123953

hubei

jilin

new virus

close contacts

countries regions

usps

high tb

New England Journal of Medicine

On the basis of this information, there is evidence that human-to-human transmission has occurred among close contacts since the middle of December 2019. Considerable efforts to reduce transmission will be required to control outbreaks if similar dynamics apply elsewhere. Measures to prevent or reduce transmission should be implemented in populations at risk. (Funded by the Ministry of Science and Technology of China and others.).

Early Transmission Dynamics in Wuhan, China, of Novel Coronavirus–Infected Pneumonia