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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Chinese health authorities today announced another H7N9 avian flu infection in Guangdong province, the area's third reported case in the past week, according to a statement from Hong Kong's Centre for Health Protection (CHP).
Chinese health officials reported two new H7N9 avian flu cases in Guangdong province over the past 2 days, in a 36-year-old man and a 65-year-old woman, both of whom are hospitalized in critical condition, according to reports from Hong Kong's Centre for Health Protection (CHP).
US flu activity showed a modest jump last week, with the clinic visits for flu-like illness rising above baseline for the first time this season.
Three environmental samples from live-poultry markets in Shenzhen, China, have tested positive for H7N9 avian flu virus, the South China Morning Post reported today. Two recent cases in Hong Kong have been linked to Shenzhen.
Officials discovered the virus after collecting 70 samples at 13 live-bird markets throughout the city.
Influenza activity in the United States edged slightly higher during Thanksgiving week.
The United States has committed up to $5 billion for global efforts to fight AIDS, tuberculosis (TB), and malaria over the next 3 years, representing a $1 billion increase over the last 3-year pledge, said a PR Newswire release yesterday.
The US flu season is picking up, and 2009 H1N1 is the dominant strain so far.
Flu vaccine effectiveness (VE) varied from 44% to 53% over the 2010-11 and 2011-12 seasons among pregnant women, and getting a flu shot the previous year appeared to be just as effective as getting the current year's vaccine, according to a study in Clinical Infectious Diseases today.
Studies show that antivirals up to 3 days after flu symptom onset can benefit, but their use is down in hospitalized kids.
US flu activity stays steady overall, but reports of flulike illness in the South grow.
