Dissecting the Unusual Biology of the SARS-CoV-2 Delta Variant
Dissecting the Unusual Biology of the SARS-CoV-2 Delta Variant
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.
Dissecting the Unusual Biology of the SARS-CoV-2 Delta Variant
Dissecting the Unusual Biology of the SARS-CoV-2 Delta Variant

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.

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.

COVID reinfection
Past SARS-CoV-2 Infection Mostly Protects Survivors
Past SARS-CoV-2 Infection Mostly Protects Survivors
Max Kozlov | Jan 14, 2021
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
More SARS-CoV-2 Reinfections Reported, But Still a Rare Event
Ashley Yeager | Oct 26, 2020
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
Patients Reinfected with Coronavirus in Hong Kong, Europe
Lisa Winter | Aug 25, 2020
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.