Fall is officially here, and that always means 3 things: pumpkin-spiced everything is back in style, our lush trees and shrubs are going to become leafless sticks, which coughing and sniffle could be your caution that flu season is upon us.
While you’ve been busy enjoying the summertime and taking holidays, drugmakers and researchers around the world have been gearing up by creating vaccines designed to improve yourself through the 2017-2018 flu season.
Nevertheless, you that misconceptions reign as it pertains to understanding the influenza virus, flu vaccines, and flu season generally. Let’s take a look at 12 flu season facts that’ll help get rid of some typically common confusion about flu season.
1. Up to 65 million American could easily get the flu over the next year
In any given year, somewhere between 5% and 20% of the U.S. population boils down with the flu. Predicated on U.S. From July 1 census Bureau population estimations, 2016, this means that around 65 million people, at the very top end of the range, or even more than 16 million people at the reduced end, could offer with the flu over another year.
2. The flu claims 3,000 to 49,000 lives each full year
As the flu can be an inconvenience for many people, it’s rather a life-or-death ailment for those with undeveloped or compromised immune systems, like the elderly or children.
In a confirmed year, influenza shall state between 3,000 and 49,000 lives. When coupled with pneumonia, it was the eighth-leading reason behind death in America in 2016.
3. $10 billion-plus is allocated to treating patients
Not only is it fatal potentially, the flu is a drag on our health care system also.
Each full year, more than $10 billion in spending annually treating patients in hospitals as well as outpatient doctor appointments.
Flu vaccines will be the primary type of protection in keeping people out of hospitals during flu season. Nevertheless, 200 approximately, 000 are hospitalized with the flu and its own related symptoms annually.
4. Flu season never ends
In October and ends in May though flu season officially begins, which corresponds with the best number of documented cases, people can agreement the flu virus at any true point during the 12 months.
For his or her part, researchers cannot concretely pinpoint why the flu spreads so voraciously through the winter, however, many have opined that kids going back to college offers a perfect industry for quick transmitting of the infectious disease.
5. There are a complete lot of possible flu virus combinations
Based on the Centers for Disease Control and Prevention (CDC), there are four types of influenza virus — A, B, C, and D — with D influencing cattle, C accountable for only mild respiratory health problems, and A and B the principal concern for experts.
Influenza A infections, that are most associated with seasonal epidemics often, are split into two subtypes: hemagglutinin (H) and neuraminidase (N).
You will find 18 different H-subtypes and 11 different N-subtypes, departing analysts to do some guesswork when developing vaccines.
6. Flu vaccines don’t offer foolproof security from the flu
One of the most common myths about the flu vaccine is that it’ll prevent from decreasing with the flu.
Although it is possible an influenza vaccine could protect you from contracting the flu, that isn’t its purpose.
It’s made to teach your immune system how to identify and assault the flu virus, in order to decelerate its spread if you undertake become contaminated with the virus.
Essentially, flu vaccines help reduce the intensity of the flu should you contract it.
7. Vaccine efficiency is between 40% and 60% generally in most years
The CDC notes that whenever experts are spot-on in their attempts to predict which influenza A strains are the likeliest to be there in a flu season, vaccine efficiency will come in around 40% to 60%.
What this suggests is that around fifty percent the populace that received a vaccine has been kept out of hospitals and doctor’s offices each year.
The reason the CDC pushes for healthy adults to get their flu photos every year is to ensure they’re held out of hospitals and hospitals, so physicians can spend their time for you to people that have weaker immune system systems, like older people and children.
8. A flu vaccine won’t provide you with the flu
Here it is, the crème de la crème of influenza misconceptions: “If I get a flu shot, I’ll get the flu!” Wrong.
All flu vaccines, save for just one, are created with inactive strains of the flu virus.
Note the focus on the expressed word “inactive.” These inactive strains are a teaching tool for your disease fighting capability, however, they can’t get you ill.
For anybody who opts for AstraZeneca’s (NYSE: AZN) FluMist, it can include a live attenuated version of the flu virus, however, not enough to offer the flu. At most severe, you’ll find yourself with a cold.
9. FluMist isn’t recommended for the forthcoming flu season
Keeping AstraZeneca’s FluMist, the CDC has, for the next yr in a row, not suggested that consumers or physicians use the nasal spray.
Though AstraZeneca’s product is most likely preferred by children since there is no needle included, data shows that its vaccine effectiveness is subpar set along the needle-based vaccine, hence the suggestion by the CDC to use needle-based vaccines.
On the constant money basis, sales of FluMist plunged by simply timid of 60% last year for AstraZeneca.
10. Quadrivalent vaccines will be the next-generation tool in fighting the flu
As noted, there are a complete lot of possible influenzas A mixture types, making life problematic for research workers and drugmakers in deciding which kind of vaccines should be developed for the upcoming season.
There’s got plenty of time for drugmakers to hold back and find out what subtype dominates, and produce that vaccine then.
That’s why they are embracing quadrivalent vaccines, which are changing trivalent vaccines.
Trivalent vaccines centered on two type A and one type B stress, whereas the quadrivalent vaccines concentrate on two type A and B strains.
Since type B influenza strains dominate toward the end of the flu season, this should offer an added coating of immune protection for consumers.
11. Sanofi’s Fluzone is the kingpin of most flu vaccines
In conditions of dominance, no product is popular among physicians and consumers come flu season than Sanofi’s (NYSE: SNY) Fluzone.
When lumped in using its other influenza vaccines, Sanofi produced more than $2 billion in sales just from influenza this past year.
Fluzone has benefited from on offer in a half-dozen dosing options, including one option having a needle that’s 90% shorter when compared to a traditional needle, that ought to make kids and needle-phobic adults a complete lot happier.
Until lately, it was also one of the only vaccines approved to treat children as young as six months, but GlaxoSmithKline’s (NYSE: GSK) FluLaval quadrivalent vaccine, in addition, has been given the green light to take care of children as young as half a year, too, in the upcoming season.
12. Only 40% of People in America got a flu shot last year
Finally, the CDC reviews that two in five Us citizens received a flu shot this past year just.
The debate proceeds over be it worth it to obtain a vaccine, however, the vaccine effectiveness data seems to demonstrate that getting the shot can make your flu milder, in the event, you contract it.
An increased vaccine use rate is both a chance for giants like Sanofi, as well for the U.S. health care system to lessen the expenses associated with dealing with influenza patients.