Hundreds of white-tailed deer in North America have tested positive for SARS-CoV-2. Here’s why scientists aren’t panicking, yet. By Smriti Mallapaty Researchers prepare to swab a white-tailed deer in College Station, Texas, to check for SARS-CoV-2.Credit: Sergio...
How sneezing hamsters sparked a COVID outbreak in Hong Kong
Hamsters are only the second species known to have spread SARS-CoV-2 to humans. By Smriti Mallapaty Pet hamsters probably carried the Delta variant of SARS-CoV-2 into Hong Kong and sparked a human COVID-19 outbreak, according to a genomic analysis of viral samples...
How COVID vaccines shaped 2021 in eight powerful charts
The extraordinary vaccination of more than four billion people, and the lack of access for many others, were major forces this year — while Omicron’s arrival complicated things further. By Smriti Mallapaty , Ewen Callaway , Max Kozlov , Heidi Ledford , John...
Did the coronavirus jump from animals to people twice?
A preliminary analysis of viral genomes suggests the COVID-19 pandemic might have multiple animal origins — but the findings still have to be peer reviewed. By Smriti Mallapaty SARS-CoV-2, the virus that causes COVID-19, could have spilled from animals to people...
A blood marker predicts who gets ‘breakthrough’ COVID
Real-world evidence from a medical centre links high levels of potent antibodies after vaccination to a reduced risk of infection. By Smriti Mallapaty People fully vaccinated against COVID-19 are less likely to become infected with the coronavirus if they have...