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Lessons on Influenza and other infections
Lessons on Influenza and other infections

... Genital Tract Sepsis • A total of 20 women died from genital tract sepsis • Group A Streptococcus (n=12) associated with genital tract infections in early pregnancy (n=4) and peripartum (6 SVD, 2 LSCS) • Three women with GAS had no clear genital focus • Coliforms were associated with second trimest ...
What’s up with the flu? - Winona Senior High School
What’s up with the flu? - Winona Senior High School

... Low virulence - they rarely cause serious illness and are rarely lethal, but ... High human-to-human transmissibility - they spread easily from person to person. ...
View PDF
View PDF

... pathogens which are transmitted predominantly via airborne spread by small particles that remain infective over time and may be dispersed over long distances. Such “airborne” spread is not clearly documented for influenza. At the onset of the 2009 novel H1N1 outbreak, the CDC recommended that health ...
Influenza A virus haemagglutinin polymorphism
Influenza A virus haemagglutinin polymorphism

... and immunological significance. The present results add to previous evidence of influenza virus strain heterogeneity (Kilbourne, 1987; de Jong et al., 1988; Robertson et al., 1991; Katz & Robertson, 1992) and confirm that significantly different antigenic variants identifiable with polyclonal serum ...
Criteria for Parents to Determine Whether to Keep a Child Home
Criteria for Parents to Determine Whether to Keep a Child Home

... feel well. In general, during cold and flu season, unless your child has a fever, diarrhea, or vomiting, the best place for them is in school where they have all already been exposed to the same germs and where they are less likely to expose other more vulnerable people, like the very young or very ...
Press Kit Seasonal Flu
Press Kit Seasonal Flu

... circulates year-round worldwide.1,2 Uncomplicated infection is accompanied by the abrupt onset of fever, sore throat, headache, muscle pain, chills, anorexia, fatigue and severe malaise (feeling unwell).1,2 Fever lasting 3-5 days, unproductive cough and a runny or stuffy nose are all common.1,2 Illn ...
Chlamydophila pneumoniae is a species of Chlamydophila bacteria
Chlamydophila pneumoniae is a species of Chlamydophila bacteria

... virus cause the cell membranes on nearby cells to merge, forming syncytia. For most people, RSV produces only mild symptoms, often indistinguishable from common colds and minor illnesses. The Centers for Disease Control consider RSV to be the "most common cause of bronchiolitis (inflammation of the ...
New pathogen discovery
New pathogen discovery

... Considering the close evolutionary proximity of humans and other primates and their receptors, analysis of very large sequences of viruses from wild primates could lead to predictions about future outbreak in humans by a novel infective virus of primate origin. In a comment in the Lancet on anatomy ...
Pneumonia and other respiratory diseases A brief guide to
Pneumonia and other respiratory diseases A brief guide to

... The most common viral causes of pneumonia include influenza viruses, respiratory syncytial virus (RSV) and parainfluenza viruses; viral infections are particularly common in children. ...
Avian Influenza: Armageddon or Hype?
Avian Influenza: Armageddon or Hype?

... documented H5N1 avian influenza in poultry and/or humans AND Patients with pneumonia on CXR, ARDS, or other severe respiratory illness for which an etiology has not been established. ...
UNC Management of H1N1
UNC Management of H1N1

...  Mild to severe respiratory illness caused by influenza ...
Top of Form Vaccines as Biological Weapons? Live Avian Flu Virus
Top of Form Vaccines as Biological Weapons? Live Avian Flu Virus

... There’s a popular medical thriller novel in which a global pandemic is intentionally set off by an evil plot designed to reduce the human population. In the book, a nefarious drug company inserts live avian flu viruses into vaccine materials that are distributed to countries around the world to be i ...
Viruses - mrvigs122
Viruses - mrvigs122

... In the early 1950s an estimated 50 million cases of smallpox occurred in the world each year After successful vaccination campaigns throughout the 19th and 20th centuries, the WHO certified the eradication of smallpox in December 1979 The last cases of smallpox in the world occurred in an outbreak o ...
Pandemic Influenza Risk Communication Excerpt
Pandemic Influenza Risk Communication Excerpt

... Draft overview chapter of pandemic plan, by technical experts: Pandemic influenza can be considered the most extreme example of an acute infectious disease outbreak.... Influenza pandemics ... are explosive global events in which most, if not all, persons worldwide are at risk for infection and illn ...
Viruses - holyoke
Viruses - holyoke

... Presence or absence of a membranous envelope surrounding the capsid **No envelope = naked virus ...
Viruses Living or Not
Viruses Living or Not

... Presence or absence of a membranous envelope surrounding the capsid **No envelope = naked virus ...
1. Background on HPAI H5N1 control policies in
1. Background on HPAI H5N1 control policies in

... village level and poultry had not been vaccinated. IPs and pre-emptively culled farms ...
Pandemic Flu vs. Zika Virus – Comparison and Context
Pandemic Flu vs. Zika Virus – Comparison and Context

... circumstances. Due to the dynamic nature of Zika virus, and infectious disease in general, Aon cannot be held liable for the guidance provided. We strongly encourage visitors to seek additional safety, medical and epidemiologic information from credible sources such as the Centers for Disease Contro ...
Why Was the 1918 Influenza So Deadly?
Why Was the 1918 Influenza So Deadly?

... has the Base Hospital for Div[ision] of the N[orth] East. This epidemic started about four weeks ago, and has developed so rapidly that the camp is demoralized and all ordinary work is held up till it has passed. All assemblages of soldiers taboo. These men start with what appears to be an ordinary ...
Characterization of the reconstructed 1918 Spanish Influenza
Characterization of the reconstructed 1918 Spanish Influenza

...  Because of its close relation to contemporary H1N1 viruses, they also took samples of wild-type New Caledonia (N.Cal/99) and Texas (Tx/91) virus • Synthesized recombinants of 1918 virus with 1991 Texas H1N1 virus:  Tx/91 HA:1918 = HA protein from Tx/91, other 7 from 1918  1918 NA: Tx/91 = NA pro ...
VACCINE – PREVENTABLE DISEASES
VACCINE – PREVENTABLE DISEASES

... Fatigue Vomiting/diarrhea Progression to respiratory distress, seizures, disorientation ...
Swine Flu Update, 17 July 2009
Swine Flu Update, 17 July 2009

... UK. When a strain of influenza spreads easily between humans and causes outbreaks in several countries, this is referred to as a pandemic. Influenza pandemics, such as the one caused by the H1N1 virus, must be taken seriously because of their capacity to spread rapidly to every country in the world ...
Post-Exposure Prophylaxis for H1N1 with Oseltamivir in Renal
Post-Exposure Prophylaxis for H1N1 with Oseltamivir in Renal

... anti-influenza treatment and prophylaxis.7 Oseltamivir should be started empirically based on clinical judgment as early as possible even before definitive diagnostic test results become available, i.e., treatment should not wait for laboratory confirmation of influenza. Treatment is most effective ...
H1N1 Global Pandemic 2009 Kevin Sherin, MD, MPH, FACPM, FAAFP Director
H1N1 Global Pandemic 2009 Kevin Sherin, MD, MPH, FACPM, FAAFP Director

... infected person coughs or sneezes near a susceptible person). ...
Module 3 Personal Protective Equipment I
Module 3 Personal Protective Equipment I

... • Currently not easily transmitted human to human • Routes of transmission to humans not known, cannot rule-out any routes • Current transmission from poultry to human or human to human for H5N1 requires very close contact ...
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Influenza



Influenza, commonly known as ""the flu"", is an infectious disease caused by the influenza virus. Symptoms can be mild to severe. The most common symptoms include: a high fever, runny nose, sore throat, muscle pains, headache, coughing, and feeling tired. These symptoms typically begin two days after exposure to the virus and most last less than a week. The cough, however, may last for more than two weeks. In children there may be nausea and vomiting but these are not common in adults. Nausea and vomiting occur more commonly in the unrelated infection gastroenteritis, which is sometimes inaccurately referred to as ""stomach flu"" or ""24-hour flu"". Complications of influenza may include viral pneumonia, secondary bacterial pneumonia, sinus infections, and worsening of previous health problems such as asthma or heart failure.Three types of influenza affect people. Usually, the virus is spread through the air from coughs or sneezes. This is believed to occur mostly over relatively short distances. It can also be spread by touching surfaces contaminated by the virus and then touching the mouth or eyes. A person may be infectious to others both before and during the time they are sick. The infection may be confirmed by testing the throat, sputum, or nose for the virus. A number of rapid tests are available; however, people may still have the infection if the results are negative. A type of polymerase chain reaction that detects the virus's RNA is more accurate.Frequent hand washing reduces the risk of infection because the virus is inactivated by soap. Wearing a surgical mask is also useful. Yearly vaccinations against influenza are recommended by the World Health Organization for those at high risk. The vaccine is usually effective against three or four types of influenza. It is usually well tolerated. A vaccine made for one year may not be useful in the following year, since the virus evolves rapidly. Antiviral drugs such as the neuraminidase inhibitors oseltamivir among others have been used to treat influenza. Their benefits in those who are otherwise healthy do not appear to be greater than their risks. No benefit has been found in those with other health problems.Influenza spreads around the world in a yearly outbreak, resulting in about three to five million cases of severe illness and about 250,000 to 500,000 deaths. In the Northern and Southern parts of the world outbreaks occur mainly in winter while in areas around the equator outbreaks may occur at any time of the year. Death occurs mostly in the young, the old and those with other health problems. Larger outbreaks known as pandemics are less frequent. In the 20th century three influenza pandemics occurred: Spanish influenza in 1918, Asian influenza in 1958, and Hong Kong influenza in 1968, each resulting in more than a million deaths. The World Health Organization declared an outbreak of a new type of influenza A/H1N1 to be a pandemic in June 2009. Influenza may also affect other animals, including pigs, horses and birds.
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