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.
The roadmap offers a powerful opportunity to leverage advances in vaccine science to better protect against influenza, including pandemic flu.
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The US Centers for Disease Control and Prevention (CDC) today confirmed a new case of variant H1N2 flu (H1N2v) in a child in Ohio, the second US case this year caused by that strain, and the 20th variant flu case of the year.
In a study designed to help clinicians and health policy makers decide whether to recommend and offer annual flu vaccination, a new meta-analysis published today found no evidence that prior season immunization blunts the protection of the current seasonal vaccine.
Researchers from Ontario and Hong Kong published their meta-analysis of observational studies today in BMC Medicine.
The review didn't find any new evidence to drive policy changes, but said more research and new antivirals are needed.
The World Health Organization (WHO) released their weekly global flu update, noting that activity remained high in the temperate zone of the Southern Hemisphere and in some countries in Southeast Asia. Influenza A (H3N2) is still the predominate strain worldwide.
The Saudi Arabian Ministry of Health (MOH) today confirmed another MERS case, the second in row after no cases had been reported for most of July.
A 36-year-old Saudi man from Buraydah is in critical condition after being diagnosed as having MERS-CoV (Middle East respiratory syndrome coronavirus). He is in critical condition and had direct contact with camels, a known risk factor for contracting the virus.
The supply of Sanofi Pasteur's yellow fever vaccine YF-Vax is depleted in the United States until the middle of next year, the company said in a press release yesterday. Sanofi said the vaccine would be available again once Sanofi moves production to new "state of the art" facilities.
The World Health Organization (WHO) may reverse a decision it made a month ago to launch a cholera vaccine campaign in Yemen, due to the aggressive spread of the disease and conflict conditions in the country, the New York Times reported today, citing a WHO spokesman who updated reporters at a briefing in Geneva today.
A study in children tested for flu over three seasons at a New Orleans hospital found modest but consistent flu vaccine effectiveness, that a switch from the inactivated trivalent to quadrivalent (four-strain) formulation didn't seem to help or hurt effectiveness, and that the inhaled version of the vaccine didn't perform as well, but improved over successive seasons.
The US Centers for Disease Control and Prevention (CDC) said today in Morbidity and Mortality Weekly Report (MMWR) that the 2016-17 flu season was dominated by influenza A (H3N2), and the flu vaccine was only 34% effective in protecting recipients against that strain and 42% effective against all strains.
The Saudi Arabian Ministry of Health (MOH) updated its MERS-CoV statistics for the first time in more than a week, noting two new cases not related to current hospital outbreaks in Riyadh.
