How long does H1N1 flu last?
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.
Why did H1N1 spread so quickly?
In 2009, when the virus H1N2 co-infected a human host at the same time as the Euroasiatic H1N1 swine strain a new human H1N1 strain emerged, which caused the 2009 pandemic. Swine flu spread very rapidly worldwide due to its high human-to-human transmission rate and due to the frequency of air travel.
What is the incubation period for H1N1?
The known incubation period for H1N1 swine flu ranges from 1 to 4 days, with the average around 2 days in most individuals, but some individuals, it may be as long as 7 days. The contagious period for adults starts about 1 day before symptoms develop and lasts around 5 to 7 days after the person develops symptoms.
How many days does it take to recover from swine flu?
How long does the swine flu last? In uncomplicated infections, swine flu typically begins to resolve after three to seven days, but the malaise and cough can persist two weeks or more in some patients. Severe swine flu may require hospitalization that increases the length of time of infection to about nine to 10 days.
Can H1N1 be asymptomatic?
Study results revealed an overall pooled prevalence for asymptomatic carriers of 19.1% for any type of influenza, 21.0% for influenza A, and 22.7% for influenza A(H1N1).
How bad is the H1N1 flu?
The 2009 H1N1 flu pandemic is estimated to have actually caused about 284,000 (range from 150,000 to 575,000) excess deaths by the WHO-USCDC study and 148,000–249,000 excess respiratory deaths by the WHO-NIVEL study.
What does H and N stand for in H1N1?
Influenza A viruses are divided into subtypes based on two proteins on the surface of the virus: hemagglutinin (H) and neuraminidase (N).
Is H1N1 the same as swine flu?
“Swine flu” was the popular name for the virus which was responsible for a global flu outbreak (called a pandemic) in 2009 to 2010. It’s a type of seasonal flu and is now included in the annual flu vaccine. The scientific name for swine flu is A/H1N1pdm09. It’s often shortened to “H1N1”.