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How long was H1N1 active?

How long was H1N1 active?

The 2009 pandemic of Swine influenza lasted about 19 months, from January 2009 to August 2010, and was the most recent flu pandemic involving H1N1 influenza virus (the first being the 1918–1920 Spanish flu pandemic and the second being the 1977 Russian flu).

How long are you contagious with the H1N1 virus?

People with H1N1 flu virus infection should be considered potentially contagious one day before the onset of symptoms and as long as they are symptomatic, and possibly up to 7 days following the onset of illness. Children, especially younger children, might be contagious for longer periods.

Where did the H1N1 virus come from?

The answers did not begin to emerge until the 1930s, when related influenza viruses (now known as H1N1 viruses) were isolated from pigs and then humans. In humans, the severity of swine influenza can vary from mild to severe. From 2005 until January 2009, 12 human cases of swine flu were reported in the United States.

When was the last bird flu outbreak?

United States 2014-2015 Outbreak In total, the 2014-2015 H5N2/H5N8 outbreak cost US$879 million in public expenditures to eradicate the disease from poultry production; the most costly United States HPAI outbreak to date.

What is the mortality rate of the bird flu?

An especially notorious strain is the HPAI influenza virus H5N1, which has a mortality rate of approximately 60% and which has resulted in numerous hospitalizations, deaths, and significant economic loss.

What country is believed to have been at the epicenter of the 2009 H1N1 outbreak?

In late April 2009, Mexico became the epicenter of the current influenza pandemic. International cooperation between Mexican, Canadian, and American public health authorities and scientists led to the rapid identification of a novel influenza A (H1N1) virus strain.

How long do you have a fever with H1N1?

Those with more severe illness are likely to have a fever for longer periods of time. Although fever is a component of the case definition of influenza-like illness, the epidemiologic data collected during spring 2009 found that a minority of patients infected with the 2009 H1N1 influenza virus with respiratory symptoms did not have a fever.

How to know if your child has H1N1?

In children: 1 Fast breathing or trouble breathing. 2 Bluish skin color. 3 Not drinking enough fluids. 4 Not waking up or not interacting. 5 Being so irritable that the child does not want to be held. 6 (more items)

How long should the exclusion period last for H1N1?

This guidance does not apply to health care settings where the exclusion period should be continued for 7 days from symptom onset or until the resolution of symptoms, whichever is longer; see Guidelines for infection control for updates about the health care setting.

Is the H1N1 virus found in pigs?

It has two genes from flu viruses that normally circulate in pigs in Europe and Asia and bird (avian) genes and human genes. Scientists call this a “quadruple reassortant” virus. Are there human infections with 2009 H1N1 virus in the U.S.? Yes.

What’s the incubation period for the H1N1 flu?

Information on diagnostic testing for 2009 H1N1 viral infection is available. In general, the incubation period for influenza is estimated to range from 1 to 4 days with an average of 2 days.

How to know if you have the flu or H1N1?

Be aware of gastrointestinal symptoms. Gastrointestinal symptoms are common with both the seasonal flu and H1N1. Such symptoms include vomiting and diarrhea. If you have these symptoms, along with other symptoms, you may have H1N1. [8]

How does H1N1 spread from one person to another?

While some are harmless, others can be deadly, like the H1N1 virus or swine flu. It spreads when a carrier coughs or sneezes; another person touches the object or surface with the flu virus on it and then touches his own nose or mouth.

When to stay home if you have H1N1?

CDC recommends that people with influenza-like illness remain at home until at least 24 hours after they are free of fever or signs of a fever without the use of fever reducing medications. This recommendation only applies to camps, schools, businesses, mass gatherings and other community settings.