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Man with white hair sits in front of a world map
Famed Pathologist Johan Hultin Dies at 97
Hultin’s work helped identify the virus behind the 1918 flu pandemic.
Famed Pathologist Johan Hultin Dies at 97
Famed Pathologist Johan Hultin Dies at 97

Hultin’s work helped identify the virus behind the 1918 flu pandemic.

Hultin’s work helped identify the virus behind the 1918 flu pandemic.

virology, disease & medicine, immunology

An illustration of several human heads wearing masks
Q&A: Human Challenge Studies of COVID-19 Underway in UK
Jef Akst | Jun 18, 2021 | 4 min read
Researchers at Imperial College London and the University of Oxford are exposing healthy volunteers to SARS-CoV-2 for science.
Variant Found in Brazil Could Evade Immunity from Past Infection
Lisa Winter | Mar 2, 2021 | 2 min read
The P.1 variant, which has also been detected in five US states, could be responsible for cases of reinfection, according to a preprint.
SARS-CoV-2 with Genomic Deletions Escapes an Antibody
Abby Olena, PhD | Feb 16, 2021 | 4 min read
Researchers identify deletions in the N-terminal domain of the spike protein that allow the coronavirus to avoid antibody neutralization and that may contribute to the emergence of new variants.
Antibody Spike Months After Ebola Infection Surprisingly Common
Catherine Offord | Jan 27, 2021 | 4 min read
A study of people in Sierra Leone suggests that the virus can lie in hiding from the immune system before re-emerging later and sparking a new response—although researchers didn’t examine whether this could make people infectious again.
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.
First US Case of UK SARS-CoV-2 Variant Detected
Max Kozlov | Dec 30, 2020 | 4 min read
Variant B.1.1.7, though likely more contagious than other strains, does not appear to be more deadly.
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.
Researchers Who Discovered Hepatitis C Earn Nobel Prize
Max Kozlov | Oct 5, 2020 | 3 min read
Harvey Alter, Michael Houghton, and Charles Rice share the Physiology or Medicine award for their contributions to identifying the virus and demonstrating that it was responsible for hepatitis among blood transfusion recipients.
Zika Infection Increases Risk of Severe Dengue Fever
Ruth Williams | Aug 27, 2020 | 4 min read
A study of Nicaraguan children links prior Zika virus infection with aggravated dengue fever symptoms.
Immune Biomarkers Tied to Severe COVID-19: Study
Ruth Williams | Aug 19, 2020 | 4 min read
Increases in the levels of three cytokines are among the features linked to poor outcomes.
Virologist Keerti Shah Dies
Catherine Offord | Aug 2, 2019 | 3 min read
The Johns Hopkins University researcher’s work helped solidify the link between human papillomavirus and cervical cancer, leading to the approval of the HPV vaccine in 2006.
Antibody Combo Knocks Down HIV in Clinical Trials
Kerry Grens | Sep 26, 2018 | 2 min read
Some patients could suppress the virus without antiretroviral therapy for months after the drug infusions.
Image of the Day: Jasper the Cat
The Scientist Staff | May 22, 2018 | 1 min read
Researchers found a previously undiscovered hepadnavirus in an immunocompromised cat.
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