On January 30th 2020, The New England Journal of Medicine (NEJM) has published a case report by the Division of Infectious Diseases and Tropical Medicine in Munich about the 'Transmission of 2019-nCoV Infection from an Asymptomatic Contact in Germany'. From February 6th 2020, a further update (appendix) is available.
View more:
Rothe C, Schunk M, Sothmann P, et al. Transmission of 2019-nCoV infection from an asymp-tomatic contact in Germany. N Engl J Med. DOI: 10.1056/NEJMc2001468
Update (appendix) (February 6th, 2020)
Further information:
The Daily podcast, The New York Times (July 9th, 2020)