- How many cases of the flu are reported each year in the US?
- How many flu cases in the world each year?
- Why is the flu so bad this year?
- When did the flu start?
- What strain of flu is going around 2020?
- How long is the flu contagious?
- How many people die each year from the flu worldwide?
- How many reported cases of the flu are there in 2020?
- What flu is going around 2020?
- How many people get the flu per year?
- How long did 2009 h1n1 last?
- How long does the flu last?
How many cases of the flu are reported each year in the US?
While the impact of flu varies, it places a substantial burden on the health of people in the United States each year.
CDC estimates that influenza has resulted in between 9 million – 45 million illnesses, between 140,000 – 810,000 hospitalizations and between 12,000 – 61,000 deaths annually since 2010..
How many flu cases in the world each year?
Influenza is a serious global health threat that impacts all countries: every year, there are an estimated 1 billion cases, 3-5 million severe cases, and 290 000-650 000 influenza-related respiratory deaths worldwide.
Why is the flu so bad this year?
Health officials say we tend to see a worse flu season with more severe illness when H3 viruses are prominent. At this point, 80 percent of reported flu cases are this more severe strain, according to the CDC. The H3N2 strain combined with a long bout of cold, wintery weather has resulted in a very active flu season.
When did the flu start?
Although there is not universal consensus regarding where the virus originated, it spread worldwide during 1918-1919. In the United States, it was first identified in military personnel in spring 1918. It is estimated that about 500 million people or one-third of the world’s population became infected with this virus.
What strain of flu is going around 2020?
The committee recommended that the quadrivalent formulation of cell- or recombinant based influenza vaccines for the U.S. 2020-2021 influenza season contain the following: an A/Hawaii/70/2019 (H1N1) pdm09-like virus; an A/HongKong/45/2019 (H3N2)-like virus; a B/Washington/02/2019- like virus (B/Victoria lineage);
How long is the flu contagious?
When Flu Spreads Most healthy adults may be able to infect others beginning 1 day before symptoms develop and up to 5 to 7 days after becoming sick. Children and some people with weakened immune systems may pass the virus for longer than 7 days.
How many people die each year from the flu worldwide?
According to new estimates published today, between 291,000 and 646,000 people worldwide die from seasonal influenza-related respiratory illnesses each year, higher than a previous estimate of 250,000 to 500,000 and based on a robust, multinational survey.
How many reported cases of the flu are there in 2020?
Between October 1, 2019 and April 4, 2020, the flu resulted in: 39 to 56 million illnesses. 410,000 to 740,000 hospitalizations. 24,000 to 62,000 deaths.
What flu is going around 2020?
“Nationally, flu activity has been elevated … and continues to increase; this represents somewhat of an early start to the U.S. flu season,” said Scott Pauley, a press officer for CDC. “Flu activity is currently being caused mostly by influenza B/Victoria viruses, followed by H1N1 viruses and H3N2 viruses.
How many people get the flu per year?
Influenza is a highly contagious respiratory illness that is responsible for significant morbidity and mortality. Approximately 9% of the world’s population is affected annually, with up to 1 billion infections, 3 to 5 million severe cases, and 300,000 to 500,000 deaths each year.
How long did 2009 h1n1 last?
The 2009 swine flu pandemic was an influenza pandemic that lasted for about 19 months, from January 2009 to August 2010, and was the second of two pandemics involving H1N1 influenza virus (the first being the 1918–1920 Spanish flu pandemic).
How long does the flu last?
For most healthy people, the flu is an uncomfortable but short-term illness that resolves itself as the immune system fights it off. Symptoms usually appear from one to four days after exposure to the virus, and they last five to seven days.