What are 5 facts about the flu?
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.
How did the swine flu affect the body?
Usually, the first effect of swine flu on the body is a fever with chills and muscle aches. You may also have a feeling of general weakness, fatigue, and a headache. Remember, swine flu is caused by a virus that infects the respiratory system. As a result, effects on the body often focus on the throat, nose, and lungs.
How long does swine flu stay in your system?
The symptoms of swine flu (H1N1), including fever, chills, cough, and body aches, last about eight days, on average. Some symptoms may continue longer than that. However, most people can go back to school or work 24 hours after their fever goes away completely without using medications that reduce fever.
How did the swine flu start?
In 1998, swine flu was found in pigs in four U.S. states. Within a year, it had spread through pig populations across the United States. Scientists found this virus had originated in pigs as a recombinant form of flu strains from birds and humans.
Who discovered the flu?
In 1892, Dr. Richard Pfeiffer isolated an unknown bacterium from the sputum of his sickest flu patients, and he concluded that the bacteria caused influenza. He called it Pfeiffer’s bacillus, or Haemophilus influenzae. Scientists later discovered that H.
How did the flu spread?
Most experts believe that flu viruses spread mainly by tiny droplets made when people with flu cough, sneeze or talk. These droplets can land in the mouths or noses of people who are nearby.
What organs does swine flu affect?
H1N1 swine flu is an acute disease that infects the upper respiratory tract and can cause inflammation of the upper respiratory passages, trachea, and possibly the lower respiratory tract.
Can humans get swine flu?
Can humans be infected with swine influenza viruses? Yes. Swine flu viruses do not normally infect humans, however, sporadic human infections with influenza viruses that normally infect swine have occurred.
Does swine flu affect brain?
The researchers say that influenza infections account for about 5% of cases of acute childhood encephalitis, a severe infection and inflammation of the brain that can cause brain damage and death in some cases.
Can you get swine flu twice?
Is it possible to catch A(H1N1) twice? Yes, because the virus can mutate (change). If you become infected with the swine flu virus, your body produces antibodies against it, which will recognize and fight off the virus if the body ever meets it again.
What country did swine flu come from?
Veracruz, Mexico: The origin of the 2009 swine flu outbreak. Health workers traced the virus to a pig farm in this southeastern Mexican state. A young boy who lived nearby was among the first people to contract the swine flu. They lived, but others in the area came down with the flu and died.
How did H1N1 get its name?
Q: Why is H1N1 flu sometimes called “swine flu?” A: This virus was originally referred to as “swine flu” because laboratory testing showed that many of the genes in this new virus were very similar to influenza viruses that normally occur in pigs in North America.
How do you catch swine flu?
– inhalation or ingestion of droplets containing virus from people sneezing or coughing; – shaking hands with infected people and then touching your nose, mouth or eyes; or – touching surfaces contaminated by an infected person coughing or sneezing on them.
What are the signs of swine flu?
– Fever, which is usually high, but is sometimes absent – Cough – Runny or stuffy nose – Sore throat – Body aches – Headache – Chills – Fatigue or tiredness, which can be extreme – Diarrhea and vomiting occasionally, but more commonly seen than with other strains of flu
How many deaths are caused by swine flu?
“Swine Flu” The US Centre for Disease and Control Prevention (CDC) estimated that 150, 000 to 575,000 people died from (H1N1) pandemic virus infection in the first year of the outbreak. 80% of the virus-related deaths were estimated to occur in those < 65 years of age. In seasonal influenza epidemics, about 70% to 90% of deaths occur in people ≥65.
What caused the swine flu?
Risk factors for swine flu. When it first emerged,swine flu was most common in children 5 years and older and young adults.