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.

avian influenza
Bird Flu Viruses Can Remain Infectious for Months in US Wetlands
Bird Flu Viruses Can Remain Infectious for Months in US Wetlands
Catherine Offord | Sep 10, 2020
Lab and field experiments indicate that aquatic environments could act as reservoirs for the pathogens, which typically do not represent a direct risk to humans.
Swine Flu Strain Has Pandemic Potential: Study
Swine Flu Strain Has Pandemic Potential: Study
Jef Akst | Jun 30, 2020
An influenza virus identified in pigs in China has a concerning mix of genes, but experts say there is no way to know if it will evolve to be transmissible between humans.
Cause of Viral Pneumonia Outbreak in China Unknown
Cause of Viral Pneumonia Outbreak in China Unknown
Catherine Offord | Jan 6, 2020
Health authorities have ruled out the usual suspects, leading to fears that a novel virus is causing the infections in Hubei Province.
First Human Case of H7N4 Bird Flu Confirmed
First Human Case of H7N4 Bird Flu Confirmed
Shawna Williams | Feb 15, 2018
The woman, a resident of southeast China, has since recovered.
Genome Digest
Genome Digest
Jenny Rood | Apr 16, 2015
What researchers are learning as they sequence, map, and decode species’ genomes
Unraveling H7N9’s History
Unraveling H7N9’s History
Kate Yandell | Dec 30, 2014
An analysis of stored samples shows that H7N9 precursor H9N2, a virus widespread in chickens, has shown increased fitness in recent years.
Moratorium on Gain-of-Function Research
Moratorium on Gain-of-Function Research
Jef Akst | Oct 21, 2014
In the wake of a handful of biosafety lapses at federal research facilities, the US government is temporarily halting funding for new studies aiming to give novel functions to influenza, SARS, and MERS viruses.
Haste Caused CDC Bird Flu Contamination?
Haste Caused CDC Bird Flu Contamination?
Jef Akst | Aug 19, 2014
The Centers for Disease Control and Prevention scientist who accidentally leaked H5N1 into a benign strain of avian influenza may have been rushing off to a meeting.
New Bird Flu Found in Penguins
New Bird Flu Found in Penguins
Kerry Grens | May 6, 2014
Scientists have identified for the first time an avian influenza that infects penguins.
Not Swine Flu
Not Swine Flu
Abby Olena | Feb 17, 2014
The strain of influenza that caused the 1918 pandemic probably came from birds, a study shows.
New Bird Flu Threat?
New Bird Flu Threat?
Abby Olena | Feb 4, 2014
Chinese officials report the first two human cases of H10N8 avian influenza, one of which is linked to the death of a 73-year-old woman.
Person-to-Person H7N9?
Person-to-Person H7N9?
Abby Olena | Jan 20, 2014
The death of a medical worker in China prompts worries that the virus can spread between humans.
Opinion: The Fatality Burden
Opinion: The Fatality Burden
Lynn Klotz and Edward Sylvester | Dec 17, 2013
Some gain-of-function influenza research poses a significant public health threat and should be banned.
H6N1 Can Affect Humans
H6N1 Can Affect Humans
Tracy Vence | Nov 14, 2013
Taiwanese scientists confirm the first person to have been infected by the H6N1 strain of avian flu.
Evolution of H7N9
Evolution of H7N9
Erin Weeks | Sep 20, 2013
Genetic diversity helped avian influenza A viruses make the leap from birds to humans, researchers report.
Multiple Bird Flu Threats Lurk
Multiple Bird Flu Threats Lurk
Kate Yandell | Aug 23, 2013
The avian influenza virus H7N7, a cousin to H7N9, has been found in Chinese live poultry markets.
Bird Flu Spreads Between People
Bird Flu Spreads Between People
Dan Cossins | Aug 7, 2013
The H7N9 avian flu strain appears to have been transmitted from human to human for the first time, but its ability to jump between people is limited.
Bird Flu Experiments Proposed
Bird Flu Experiments Proposed
Ed Yong | Aug 7, 2013
In a bid to avoid the controversy that dogged H5N1 research last year, flu researchers have published a letter proposing how to approach potentially dangerous research on H7N9.
Airborne H7N9
Airborne H7N9
Kate Yandell | Jul 19, 2013
Chinese scientists confirm that the avian flu virus subtype can spread through the air between ferrets.