What population is most affected by influenza?
According to the Centers for Disease Control and Prevention (CDC), the following people are at high risk for developing influenza-related complications:
- Adults 65 years and older.
- Children younger than 2 years old.
- Asthma.
- Neurologic and neurodevelopment conditions.
- Blood disorders (such as sickle cell disease)
What is the incidence rate of flu?
The statistical estimate of influenza incidence among all ages ranged from 3.0%–11.3% among seasons, with median values of 8.3% (95% confidence interval [CI], 7.3%–9.7%) for all ages, 9.3% (95% CI, 8.2%–11.1%) for children <18 years, and 8.9% (95% CI, 8.2%–9.9%) for adults 18–64 years.
Which country has the highest rate of influenza?
United States
Influenza Mortality
| # | 39 Countries | 5‑years CAGR |
|---|---|---|
| 1 | #1 United States | +9.9 % |
| 2 | #2 Japan | +17.9 % |
| 3 | #3 Canada | +7.9 % |
| 4 | #4 Australia | +37.1 % |
Who died from the flu?
The Centers for Disease Control and Prevention (CDC) reports that people ages 65 and older account for between 71 percent and 85 percent of flu-related deaths and 54 percent to 70 percent of flu-related hospitalizations in the U.S.
How many people get influenza each year in the world?
Flu: The World Health Organization estimates that 1 billion people worldwide get the flu every year.
Where is the flu most common 2020?
While there are cases of it appearing all around the world, scientists found that it is far more prominent in the east than in the west, particularly in Southeast Asia. While this might suggest more people begin to contract the virus in the east than the west, it’s actually the reverse.
Where does the flu go in summer?
The influenza A virus does not lie dormant during summer but migrates globally and mixes with other viral strains before returning to the Northern Hemisphere as a genetically different virus, according to biologists who say the finding settles a key debate on what the virus does during the summer off season when it is …
What age group is most affected by influenza?
The same CID study found that children are most likely to get sick from flu and that people 65 and older are least likely to get sick from influenza. Median incidence values (or attack rate) by age group were 9.3% for children 0-17 years, 8.8% for adults 18-64 years, and 3.9% for adults 65 years and older.
Where did the influenza originate?
The history of influenza begins with Hippocrates (5th century BC) who first reported that an influenza-like illness spread from Northern Greece to the islands south and elsewhere.
Is influenza leading cause of death?
The CDC website states what has become commonly accepted and widely reported in the lay and scientific press: annually “about 36 000 [Americans] die from flu” (www.cdc.gov/flu/about/disease.htm) and “influenza/pneumonia” is the seventh leading cause of death in the United States (www.cdc.gov/nchs/fastats/lcod.htm).
Is sunlight good for flu?
We find that sunlight strongly protects against getting influenza. This relationship is driven almost entirely by the severe H1N1 epidemic in fall 2009. A 10% increase in relative sunlight decreases the influenza index in September or October by 1.1 points on a 10-point scale.