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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With the Winter Olympics just getting under way in South Korea, a norovirus outbreak has sidelined 32 workers, including 21 from the security staff, the Associated Press (AP) reported. Authorities have called in military personnel to help with security.
"This year is not a pandemic, but the high ILI is a sign of the severity," CDC Director Anne Schuchat says.
In a joint statement today the World Health Organization (WHO) and South Korean health officials issued public health recommendations for people attending the upcoming winter Olympic and Paralympic Games in Pyeongchang.
Flu activity is still high in the Northern Hemisphere's temperate-zone countries, with a few countries now reporting hospitalization and intensive care unit admission levels that top previous seasons, the World Health Organization (WHO) said yesterday in its latest global flu update. Adults ages 65 and older are the hardest hit groups in both Canada and the United States.
By every metric, this H3N2-dominated season is measuring up as a bad one.
The Saudi Arabian Ministry of Health (MOH) reported five new cases of MERS-CoV in updated reports released over the weekend.
The CDC notes 7 new kids' deaths and ILI levels nearing those seen in 2009.
The risk of heart attack increases sixfold in the first 7 days after lab-confirmed flu in adults 35 and older.
A large longitudinal study of an elderly population in Taiwan found that flu vaccination reduced the risk of tuberculosis (TB) infection by 18%. Earlier studies, including animal ones, have hinted that flu vaccination might protect against a range of pathogens, including TB, due to activation of T-cell mediated immunity. A team from Taiwan reported the findings yesterday in Emerging Infectious Diseases.
The WHO urges countries to shore up case management, vaccinate high-risk people, and take other steps.
