The Long Journey to Resolve the Origins of a Previous Pandemic
The Long Journey to Resolve the Origins of a Previous Pandemic
Dozens of researchers, including myself, worked for years to uncover that swine flu had leapt to humans from a pig in Mexico in 2009. We learned a lot about influenza evolution, pig farming, and outbreak risk along the way.
The Long Journey to Resolve the Origins of a Previous Pandemic
The Long Journey to Resolve the Origins of a Previous Pandemic

Dozens of researchers, including myself, worked for years to uncover that swine flu had leapt to humans from a pig in Mexico in 2009. We learned a lot about influenza evolution, pig farming, and outbreak risk along the way.

Dozens of researchers, including myself, worked for years to uncover that swine flu had leapt to humans from a pig in Mexico in 2009. We learned a lot about influenza evolution, pig farming, and outbreak risk along the way.

epidemiology
Ivory Coast Confirms First Ebola Case Since 1994
Ivory Coast Confirms First Ebola Case Since 1994
Annie Melchor | Aug 16, 2021
Officials say it’s not yet clear whether this case is linked to an outbreak in Guinea earlier this summer.
A Self-Contained COVID-19 Test with 3-D Printed Parts
A Self-Contained COVID-19 Test with 3-D Printed Parts
Annie Melchor | Aug 11, 2021
The makers of the CRISPR-based testing platform, called miSHERLOCK, say it could enable people at home or physicians in resource-limited environments to detect SARS-CoV-2—and eventually, other pathogens.
Marburg Virus Disease Detected in West Africa for First Time
Marburg Virus Disease Detected in West Africa for First Time
Shawna Williams | Aug 10, 2021
The finding of the Ebola-like disease, which killed a man in Guinea, has prompted public health measures.
Dissecting the Unusual Biology of the SARS-CoV-2 Delta Variant
Dissecting the Unusual Biology of the SARS-CoV-2 Delta Variant
Katarina Zimmer | Aug 9, 2021
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.
Tracking Companion Animal Disease
Tracking Companion Animal Disease
Anthony King | Aug 3, 2021
Surveillance networks set up to detect outbreaks among pets could one day have public health uses too.  
Study Looks for Effects of Fetal Exposure to Air Pollution
Study Looks for Effects of Fetal Exposure to Air Pollution
Jef Akst | Aug 1, 2021
By measuring various pollutants in the immediate vicinity of pregnant women and tracking brain development of their children, researchers in Barcelona aim to untangle any influence the former has on the latter.
New Evidence Shows COVID-19 Was in US Weeks Before Thought
New Evidence Shows COVID-19 Was in US Weeks Before Thought
Abby Olena | Jun 17, 2021
Some of the blood specimens collected in the United States for the NIH’s All of Us research program starting on January 2, 2020, have antibodies against SARS-CoV-2.
100-Year-Old Lungs Yield Genetic Samples of 1918 Flu Viruses
100-Year-Old Lungs Yield Genetic Samples of 1918 Flu Viruses
Christie Wilcox | May 18, 2021
Influenza RNA sequences from three sets of lungs preserved in formalin since 1918 provide new insights into the deadly pandemic.
Random Plane Boarding Minimizes COVID-19 Risk: Study
Random Plane Boarding Minimizes COVID-19 Risk: Study
Christie Wilcox | Apr 27, 2021
A modeling study of boarding behavior finds filling the plane from back to front extends the close contact time between passengers and therefore increases the risks posed by air travel.
COVID-19 Vaccines Appear Safe During Pregnancy: Early Data
COVID-19 Vaccines Appear Safe During Pregnancy: Early Data
Christie Wilcox | Apr 22, 2021
Scientists at the US CDC report no red flags in a preliminary analysis of the safety of Pfizer/BioNTech’s and Moderna’s mRNA-based immunizations among expectant mothers.
Q&A: New Tool Ranks Viruses by Their Risk of Jumping to Humans
Q&A: New Tool Ranks Viruses by Their Risk of Jumping to Humans
Jef Akst | Apr 9, 2021
Researchers involved in a long-term project to identify viruses of concern have now assessed the risk factors that could help forecast which pathogens are the most likely to spillover from wildlife to people.
Most Kids with MIS-C Report Few or No COVID-19 Symptoms: Study
Most Kids with MIS-C Report Few or No COVID-19 Symptoms: Study
Kerry Grens | Apr 7, 2021
A review of hundreds of cases finds that only a minority of patients noted being sick with a coronavirus infection prior to developing the severe inflammatory condition.
Q&A: Data Gaps Hinder Monitoring of SARS-COV-2 Variants
Q&A: Data Gaps Hinder Monitoring of SARS-COV-2 Variants
Jef Akst | Mar 24, 2021
Martha Nelson of the National Institute of Allergy and Infectious Diseases talks about the need to balance data sharing and patient privacy concerns when tracking the spread of variants.
Frontiers Removes Controversial Ivermectin Paper Pre-Publication
Frontiers Removes Controversial Ivermectin Paper Pre-Publication
Catherine Offord | Mar 2, 2021
A review article containing contested claims about the tropical medicine drug as a COVID-19 treatment was listed as “provisionally accepted” on the journal’s website before being removed this week.
COVID-19 More Deadly with Blood than Solid Cancer: Study
COVID-19 More Deadly with Blood than Solid Cancer: Study
Marcus A. Banks | Feb 16, 2021
Death rates among blood cancer patients who contract COVID-19 are higher than for those with other cancers, pointing to impaired immunity that makes it hard to overcome the virus.
Second Person Dies in Latest Ebola Outbreak in DRC
Second Person Dies in Latest Ebola Outbreak in DRC
Catherine Offord | Feb 11, 2021
The woman may have had a link to another person, who was married to an Ebola survivor and who died a few days previously in Democratic Republic of Congo.
Antibody Spike Months After Ebola Infection Surprisingly Common
Antibody Spike Months After Ebola Infection Surprisingly Common
Catherine Offord | Jan 27, 2021
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.
Special report
A Guide to Emerging SARS-CoV-2 Variants
A Guide to Emerging SARS-CoV-2 Variants
Katarina Zimmer | Jan 26, 2021
Scientists across the world are closely tracking the spread of mutations in the coronavirus and investigating whether they could render current vaccines less effective.
SARS-CoV-2 Isn’t Going Away, Experts Predict
SARS-CoV-2 Isn’t Going Away, Experts Predict
David Adam | Jan 25, 2021
As politicians try to schedule an end to the pandemic, scientists say the virus will stick around as an endemic disease similar to the common cold.