Doctors Date First COVID-19 Case in France to Late December
Doctors Date First COVID-19 Case in France to Late December
A retrospective analysis of stored respiratory samples shows one patient could have been infected with SARS-CoV-2 weeks before the coronavirus was thought to have arrived in France, but a critic of the result questions whether the sample was contaminated.
Doctors Date First COVID-19 Case in France to Late December
Doctors Date First COVID-19 Case in France to Late December

A retrospective analysis of stored respiratory samples shows one patient could have been infected with SARS-CoV-2 weeks before the coronavirus was thought to have arrived in France, but a critic of the result questions whether the sample was contaminated.

A retrospective analysis of stored respiratory samples shows one patient could have been infected with SARS-CoV-2 weeks before the coronavirus was thought to have arrived in France, but a critic of the result questions whether the sample was contaminated.

sample preservation

Spoiler Alert
Wudan Yan | Mar 1, 2016
How to store microbiome samples without losing or altering diversity