First US Outbreak of COVID-19 Seeded in Mid-February: Preprint
First US Outbreak of COVID-19 Seeded in Mid-February: Preprint
A modeling study counters initial interpretations that the cluster began with someone who flew to Seattle in mid-January.
First US Outbreak of COVID-19 Seeded in Mid-February: Preprint
First US Outbreak of COVID-19 Seeded in Mid-February: Preprint

A modeling study counters initial interpretations that the cluster began with someone who flew to Seattle in mid-January.

A modeling study counters initial interpretations that the cluster began with someone who flew to Seattle in mid-January.

transmission
Droplets from Speech Can Float in Air for Eight Minutes: Study
Droplets from Speech Can Float in Air for Eight Minutes: Study
Kerry Grens | May 15, 2020
The experiments did not involve SARS-CoV-2, but researchers say the results support precautions to avoid possibly spreading COVID-19 by talking.
Study Questions if School Closures Limit the Spread of COVID-19
Study Questions if School Closures Limit the Spread of COVID-19
Ashley Yeager | Apr 7, 2020
School shutdowns might have a relatively small effect on preventing the transmission of SARS-CoV-2, a new meta-analysis suggests, though the preliminary data point to the need for more studies.
The COVID-19 Coronavirus May Travel in Aerosols
The COVID-19 Coronavirus May Travel in Aerosols
Amy Schleunes | Apr 3, 2020
Several studies have indicated that SARS-CoV-2 might be spread through air, but not all experts are convinced.
SARS-CoV-2 Can Live on Plastic and Steel for 2–3 Days
SARS-CoV-2 Can Live on Plastic and Steel for 2–3 Days
Kerry Grens | Mar 12, 2020
A preprint indicates that coronavirus transmission from surfaces is possible, but does not provide evidence that this has occurred in the COVID-19 pandemic.
Second US Coronavirus Death Confirmed in Washington State
Second US Coronavirus Death Confirmed in Washington State
Amy Schleunes | Mar 2, 2020
More cases emerge across the country as the global death toll from COVID-19 surpasses 3,000.
First US Case of Apparent SARS-CoV-2 Community Transmission
First US Case of Apparent SARS-CoV-2 Community Transmission
Shawna Williams | Feb 27, 2020
A patient in California acquired COVID-19 despite not traveling to an affected area or having contact with anyone who did.
Coronavirus’s Genetics Reveal Its Global Travels
Coronavirus’s Genetics Reveal Its Global Travels
Ashley Yeager | Feb 25, 2020
Random mutations in the SARS-CoV-2 pathogen’s genome help researchers track the spread and transmission of COVID-19, the disease it causes.
How COVID-19 Is Spread
How COVID-19 Is Spread
Catherine Offord | Feb 21, 2020
Scientists’ latest understanding of the facts, the suspicions, and the discounted rumors of SARS-CoV-2’s transmission from person to person
Report of Asymptomatic Transmission of 2019-nCoV Inaccurate
Report of Asymptomatic Transmission of 2019-nCoV Inaccurate
Kerry Grens | Feb 4, 2020
Claims that a woman spread the virus to a colleague in Germany before she had symptoms conflict with health officials’ interview with the patient herself.