What are 5 facts about influenza?
What are 5 facts about influenza?
Here are 10 facts about the flu you should know.
- Flu season is between October and May.
- The flu is contagious before symptoms start.
- Flu symptoms can start abruptly.
- It takes up to two weeks for the flu vaccine to work.
- You need a new flu vaccine every year.
- The flu vaccine doesn’t cause the flu.
What are CDC guidelines for influenza?
CDC recommends that workers who have flu symptoms upon arrival to work or become ill during the day should promptly separate themselves from other workers and go home until at least 24 hours after their fever is gone without the use of fever-reducing medications, or after symptoms have improved (at least 4-5 days after …
What are the three 3 distinct types of influenza viruses?
There are three types of flu viruses: A, B, and C. Type A and B cause the annual influenza epidemics that have up to 20% of the population sniffling, aching, coughing, and running high fevers. Type C also causes flu; however, type C flu symptoms are much less severe.
What is a fun fact about influenza virus?
Every year, the virus kills between 12,000 and 49,000 people. Last flu season (2017-2018), 172 children died from the flu, which is now the highest number of flu-related deaths reported during a single flu season. “Of those children, 80% of them weren’t vaccinated.
Can you get influenza A twice?
While two flu outbreaks overlap one another, raising your possibilities of catching the flu infection twice, the chances of you catching the flu virus twice may still be rare.
Is influenza airborne or droplet?
Influenza is thought to be transmitted primarily by droplets (particles ≥ 5 μm, and settling within 3-6 feet); however, the airborne route (particles < 5 μm remaining suspended in air) has been implicated in special situations, such as aerosol-generating procedures.
Is the common flu airborne?
Summary. Influenza is primarily spread through airborne transmission via aerosols. These tiny particles are released when an infected person coughs, sneezes or talks and can float through the air for a long time.
When are you no longer contagious with Covid?
Available data suggest that patients with mild-to-moderate COVID-19 remain infectious no longer than 10 days after symptom onset.
What is difference between flu A and B?
Influenza A is usually the more common form of the virus and tends to circulate early in the season, while influenza B is normally less common and shows up late in the season. This season, influenza B has been more common and is circulating earlier than in previous seasons.
How long does the flu stay in the air?
Past research has suggested the influenza virus can survive up to two to three hours in a droplet form, but there has been debate over whether the droplets are able to stay suspended in the air long enough to spur infection . When droplets are big, gravity can pull them down so they don’t remain airborne.