How the Omicron Subvariant BA.5 Became a Master of Disguise—and What It Means for the Current COVID-19 Surge
How the Omicron Subvariant BA.5 Became a Master of Disguise—and What It Means for the Current COVID-19 Surge
Several mechanisms contribute to the increased transmissibility of this SARS-CoV-2 variant.
Several mechanisms contribute to the increased transmissibility of this SARS-CoV-2 variant.
COVID reinfection
What You Should Know About New Omicron Subvariants
Natalia Mesa, PhD | May 17, 2022 | 6 min read
The presence and spread of new, more-infectious and immune-evading variants show that the coronavirus is not done mutating.
Studies Identify Risk Factors for Long COVID
Natalia Mesa, PhD | Jan 26, 2022 | 4 min read
Two recent papers provide insight into possible risk factors for developing the chronic condition, including autoantibodies and diabetes.
Dissecting the Unusual Biology of the SARS-CoV-2 Delta Variant
Katarina Zimmer | Aug 9, 2021 | 8 min read
An ability to build up higher concentrations of viral particles in people’s airways and mutations that might boost its ability to infect human cells could be what gives the Delta variant its evolutionary edge.
Past SARS-CoV-2 Infection Mostly Protects Survivors
Max Kozlov | Jan 14, 2021 | 2 min read
A large study of UK healthcare workers finds that immunity after coronavirus infection lasts for months, but those with antibodies may still be able to carry and spread the virus upon reexposure.
More SARS-CoV-2 Reinfections Reported, But Still a Rare Event
Ashley Yeager | Oct 26, 2020 | 5 min read
Repeat COVID-19 cases could offer clues about people’s immunity to the novel coronavirus and how to vaccinate against it.
Patients Reinfected with Coronavirus in Hong Kong, Europe
Lisa Winter | Aug 25, 2020 | 2 min read
So far, there are three patients known to have been infected with SARS-CoV-2 twice, and in at least one case the second time around was asymptomatic.