What flu happened in 2013?
What flu happened in 2013?
During the 2013-2014 season, influenza A (H3N2), 2009 influenza A (H1N1), and influenza B viruses circulated in the United States.
What was the virus of 2013?
The Ebola virus epidemic burst in West Africa in late 2013, started in Guinea, reached in a few months an alarming diffusion, actually involving several countries (Liberia, Sierra Leone, Nigeria, Senegal, and Mali).
Can you get the flu in February?
While influenza viruses spread year-round, most of the time flu activity peaks between December and February, but activity can last as late as May.
How many people died of the flu in 2013 in the United States?
Number of influenza deaths in the United States from 2010 to 2020
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How many individuals globally died of influenza and pneumonia in 2013?
Pneumonia consistently accounts for the overwhelming majority of the combined pneumonia and influenza deaths. In 2013, 53,282 people died from pneumonia and 3,550 people died from influenza.
What month does the flu season start?
Flu season can start in the United States as early as October and end as late as early May. Normally, it peaks from December through February. The flu is a contagious respiratory illness caused by influenza viruses that infect the nose, throat, and sometimes the lungs, the CDC states.
What are the dates of flu season?
For the United States, most flu activity starts in October and ends in May. Peak flu activity happens between December and March, which is why flu season and winter are often linked together. The Centers for Disease Control and Prevention (CDC) has been tracking flu activity in the United States since 1982.
How many individuals in the US died of influenza and pneumonia in 2013?
There were 56,832 deaths due to pneumonia and influenza in 2013, which combined were the eighth leading cause of death in the U.S. While the age‐adjusted death rate for pneumonia and influenza increased 9 percent from 2012 to 2013, it has decreased an average of 3.8 percent per year since 1999.
When did the flu season end in 2013?
Influenza A viruses predominated until the end of February 2013, after which influenza B viruses were detected more often. The relative proportion of each type and subtype varied by geographic region and by week.
What was the most common influenza virus in 2012?
Over the course of the entire 2012–2013 season, influenza A (H3N2) viruses predominated nationally, followed by influenza B viruses; 2009 influenza A (H1N1) viruses were identified less frequently. Influenza A viruses predominated until the end of February 2013, after which influenza B viruses were detected more often.
What was the effectiveness of the flu in 2013-14?
Effectiveness against the flu A “2009 H1N1” virus, which was the predominating flu virus during the 2013-14 flu season, was 62% (95% CI: 53% to 69%) for children and adults. During the study period (Dec 2, 2013 – January 23, 2014), the 2009 H1N1 virus accounted for 98% of flu viruses detected.
Are there any flu vaccines available for 2013-2014 season?
There were several flu vaccine options for the 2013-2014 flu season. Traditional flu vaccines made to protect against three different flu viruses (called “trivalent” vaccines) were available. In addition, flu vaccines made to protect against four different flu viruses (called “quadrivalent” vaccines) were also available.