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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A 7-year-old Cambodian boy and his 3-year-old sister died from H5N1 avian flu late last week, a health official said today, but only the boy was tested, according to Xinhua, China's state news agency.
Most of a group of French pilgrims who traveled to Saudi Arabia for the Hajj last fall had respiratory symptoms during their journey, and some had influenza, but none tested positive for the Middle East respiratory syndrome coronavirus (MERS-CoV), according to a report in Emerging Infectious Diseases.
Several key measures of flu activity dropped again last week, but many states still had widespread activity.
Cambodia—which had by far the most H5N1 avian flu cases in 2013—has confirmed its first case of 2014, in a 5-year-old boy, the country's Ministry of Health (MOH) reported today.
Vietnam and China have each confirmed a case of H5N1 avian flu in recent days, with Vietnam's case proving fatal.
In Vietnam, a 60-year-old woman in Dong Thap province in the Mekong Delta died of the deadly virus on Jan 27, Than Nien News reported yesterday. The woman developed a fever and other symptoms on Jan 22, authorities said. She was hospitalized on Jan 23 in neighboring An Gian province on Jan 23, where she died.
The US Centers for Disease Control and Prevention (CDC) yesterday released information detailing how clinicians can get investigational intravenous (IV) zanamivir (Relenza) for severely ill flu patients. The drug is in phase 3 clinical trials and can only be obtained by enrolling patients in ongoing clinical trials or an emergency investigational new drug request.
For a second straight week, most key indicators are down, and some have dropped 3 weeks in a row.
In a study designed to shed light on a phenomenon seen in Canada of increased risk of pandemic 2009 H1N1 flu in those who received a flu vaccine the year before, ferrets given a seasonal flu shot had worse H1N1 disease than those who had not received the vaccine.
A second case of H10N8 avian flu has been confirmed in the same province as the world's first case, which was reported last month, Chinese health officials told Xinhua, the nation's state-run newspaper.
Numbers hint that season may have peaked, and obesity is being reported in many hospitalized flu patients.