variants

Antiviral-Resistant Variants of SARS-CoV-2 Can Emerge in Immunocompromised People

Immunocompromised people with persistent COVID-19 infections can harbor drug-resistant variants of the SARS-CoV-2 ...

OCTOBER 7, 2024

How the First Contact With SARS-CoV-2 Influences the Immune Response to New Variants

Although SARS-CoV-2 is no longer a stranger to the immune system, new virus variants still pose a challenge.

DECEMBER 8, 2023

Tracking New COVID-19 Variants with Spike Gene Target Amplification

Epidemiologists are using spike gene target amplification to quickly monitor the emergence and impact of new ...

FEBRUARY 13, 2023

Efficacy of COVID-19 Vaccines Against Omicron Shows Benefit of Boosters

The effectiveness of the COVID-19 vaccines currently available in the United States is less against omicron than ...

AUGUST 4, 2022

No Time to Put Down Your Guard; CDC Adjusts Some COVID-19 Vaccination Guidelines

Even though the daily number of new COVID-19 cases has been decreasing, this is not the time to put your guard ...

FEBRUARY 2, 2021

First Cases of South Africa and Brazil SARS-CoV-2 Variants Reported in the U.S.

This makes three variants of concern in the United States, according to a CDC official.

JANUARY 29, 2021

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