With increasing time since diagnosis, only the severe infections continued to cause symptoms.
The loss of activity is equivalent to 15% of the US population becoming completely immobile for 1 day.
Adult COVID-19 patients also infected with the flu are 4 times more likely to need mechanical ventilation and 2.4 times more likely to die.
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Dual infections are a possible source of reassortment between human and avian flu virus strains.
The risk of Guillain-Barre syndrome (GBS) after flu vaccination was much lower than the risk of GBS after flu infection, according to a study today in Lancet Infectious Diseases.
Canadian researchers used a self-controlled study design and data from universal healthcare systems in Ontario from 1993 through 2011. They determined exposures to flu vaccine and flu illness from physician billing claims.
Canadian health officials said an American man hospitalized in Edmonton after getting sick on a plane tested positive for an H7 virus after traveling to China, though he doesn't have an active flu infection, the Canadian Press reported today.
The elderly man was on a flight from Cairo to San Francisco when he got sick and became unconscious, and the airline diverted the plane to Edmonton.
Influenza can boost the likelihood of bacterial pneumonia 100-fold, according to a new study.
The World Health Organization (WHO) today used Twitter to acknowledge the seven latest MERS-CoV (Middle East respiratory syndrome coronavirus) cases in Saudi Arabia.
An Egyptian surveillance study found that while H5N1 avian flu viruses were uncommon on commercial poultry farms, more than 10% of backyard and live-market birds harbored the virus, according to a report in the Journal of Virology.
Inovio, a pharmaceutical company based in Blue Bell, Pa., today announced the first preclinical results from tests in mice on its candidate DNA vaccine against the H7N9 virus, according to a press release.
The study was conducted by researchers at the University of Pennsylvania and Canada's National Microbiology Laboratory in Winnipeg.
A serologic study of healthcare workers in China's Zhejiang province, the area that has had the most cases in the H7N9 flu outbreak, found no asymptomatic infections with the new virus, according to a letter from Chinese researchers in Clinical Infectious Diseases.
Eight more outbreaks of H7N3 avian flu have struck Mexican chicken farms in recent weeks, prompting the destruction of more than 800,000 birds and the vaccination of 5 million more, Mexican authorities reported to the World Organization for Animal Health (OIE) today.
May 31, 2013
