Five to 20 percent of the U.S. population is infected with influenza each year, according to the Centers for Disease Control and Prevention. According to World Health Organization epidemiological records there has been an average of three flu...
The 1918 Influenza Pandemic, also called the "Spanish Flu," killed more people than any other virus in recorded history, according to the National Archives. This deadly virus was responsible for killing over 50 million people worldwide and...
The Spanish influenza pandemic of 1918-19 has been dubbed "the mother of all pandemics" by researchers at the Centers for Disease Control and Prevention (CDC) because it remains one of the most lethal outbreaks of infectious disease in human...
Influenza viruses are capable of wreaking havoc on society and on individuals. The impact on public health has been tremendous over the course of history, and previous pandemics have resulted in the deaths of thousands. However, influenza may mean...
Spanish influenza refers to the influenza pandemic of 1918, during which an estimated 20 million people died worldwide. The Spanish influenza virus was an H1N1 type flu virus. Unlike to most flu viruses, which affect infants, the elderly and...
Although new variations of influenza, or the flu, arise every year, there are only three classifications of the flu, according to the Centers for Disease Control and Prevention: A, B or C viral infections. Avery form of the flu, including avian or...
The Spanish influenza pandemic occurred between 1918 and 1919. According to the Centers for Disease Control and Prevention (CDC), this flu virus infected more than 500 million people and killed about 50 million people around the world.
Swine influenza, known as H1N1, made headlines in the Spring of 2009. Normally a respiratory infection found in pigs, this influenza virus strain passed to humans and created a worldwide scare.
The influenza virus is the second most common respiratory illness in the world, next to the common cold, according to 2005 information from Florida State University, with an estimate that 25 to 50 million Americans contract the flu each year....
Spanish Influenza is the common name for the flu virus that caused the 1918-1919 pandemic that Centers for Disease Control and Prevention (CDC) researchers dub "the mother of all pandemics." The Spanish Influenza pandemic is credited for up to 100...
The H1N1(swine flu) virus resulted in the 2009 H1N1 influenza pandemic. The pandemic was declared by the World Health Organization (WHO) in June 2009. H1N1 is an influenza A virus that has components of four influenza virus sequences from North...
The Spanish flu pandemic of 1918-1919 has been dubbed "the mother of all pandemics" by researchers at the Centers for Disease Control and Prevention because it remains one of the most lethal outbreaks of infectious disease in human history,...
There are three different types of influenza virus. Types A and B tend to spread rapidly and can occur either in regional outbreaks called epidemics, or worldwide outbreaks called pandemics. Type C influenza virus is the least severe of all three....
With the exception of the year 1918, the year of an influenza pandemic, cardiovascular disease has contributed to more deaths than any other cause since 1900, according to the American Heart Association. Having high cholesterol is a major risk...
Swine influenza is the common name for the novel strain of influenza virus first identified by the Centers for Disease Control and Prevention in April 2009. On June 11, 2009, the World Health Organization declared a swine influenza pandemic after...
The Spanish Influenza, which is also referred to as the Spanish Flu, was a lethal pandemic that spread across the world in 1918. This 10-month pandemic led to the deaths of an estimated 22 to 40 million people according to Navy Department Library...
The flu, also called influenza, is a medical illness characterized by infection of the respiratory tract. Similar to, but typically more severe than, the common cold, influenza symptoms include fever, cough, malaise, fatigue, sore throat,...
The Spanish flu was an H1N1 virus related to the 2009 swine flu, but the 1918 pandemic was caused by a much more lethal form. One-fifth of the world's population became infected and 50 to 100 million people died, more than from any other illness,...
It is believed that the Spanish Flu originated in Tibet or China where it underwent a genetic shift that made it more dangerous than previous strains. The flu was spread by soldiers entering France and then moving into Spain. This strain of...
Many viral illnesses are casually called "the flu." However, true influenza is caused by specific viruses in the family Orthomyxoviridae. There are many forms of the influenza virus, which are categorized by types, subtypes and strains. Only...
The year 2009 has seen an outbreak of a new influenza (flu) strain called 2009 H1N1, also referred to as "Swine Flu." Swine flu and the regular seasonal flu have many symptoms in common, such as fever, chills, stomach upset, headache, cough, sore...
Approximately 36,000 flu-related deaths occur each year in the United States, according to the Centers for Disease Prevention and Control. Although most of these deaths are not directly caused by influenza, it is thought that the flu virus...
When it comes to influenza, two FDA-approved drugs were found to be effective treatments for the 2009-20010 flu season---oseltamivir (Tamiflu) and zanamivir (Relenza). Two other flu drugs have been approved by the FDA, rimantadine (Flumadine) and...
The 2009 H1N1 virus, also known as swine flu, has health experts sounding the alarm. In June 2009, the World Health Organization, or WHO, declared an influenza pandemic. Swine flu symptoms are similar to the seasonal flu. For most people, the...
Sinuses are cavities within the body. The sinuses found in the skull are sometimes the location of bacterial infections. An infection of the sinuses is known as sinusitis. This condition is not typically life-threatening, but for those suffering...
Viruses are interesting infectious organisms because they have no capacity to reproduce on their own. They infect the cells of living organisms from plants to people, hijacking the host's cellular machinery to reproduce itself. Hundreds of viruses...
The H1N1 influenza pandemic of 2009 has led to renewed attention on flu vaccines among health officials and the public. For most people, a flu shot prevents you from getting the flu by giving your body the opportunity to develop immunity against...
Influenza is a highly contagious disease caused by different strains of viruses that primarily attack the respiratory system. Influenza infections, also known as the flu or grippe, typically last up to five days and produce more serious symptoms...
Bird flu has led to the deaths of hundreds of millions of wild and domestic birds and to a small number of human deaths. Bird flu remains difficult for humans to contract. Learn about the different causes, symptoms, and treatments of bird flu in...