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Where is Yersinia from?
The most common source of Y. enterocolitica infection in humans is pork (raw or undercooked) and pigs are considered the main carrier. Other strains of Yersinia are also found in many other animals including rodents, rabbits, sheep, cattle, horses, dogs and cats.
Is there a cure for Yersinia pestis?
Aminoglycosides: streptomycin and gentamicin Streptomycin is the most effective antibiotic against Y. pestis and the drug of choice for treatment of plague, particularly the pneumonic form (2-6).
How does bubonic plague kill?
Summary: Yersinia pestis, the deadly bacterium that causes bubonic plague, kills by cutting off a cell's ability to communicate with other immune system cells needed to fight off the bacterial invasion.
How many did the black plague kill?
25 million people
What was the last pandemic in history?
The 1918 influenza pandemic was the most severe pandemic in recent history. It was caused by an H1N1 virus with genes of avian origin. Although there is not universal consensus regarding where the virus originated, it spread worldwide during 1918-1919.
Is Spanish flu still around?
'The 1918 flu is still with us': The deadliest pandemic ever is still causing problems today. In 1918, a novel strand of influenza killed more people than the 14th century's Black Plague. At least 50 million people died worldwide because of that H1N1 influenza outbreak.
How long did Spanish flu last?
The influenza pandemic of 1918–19, also called the Spanish flu, lasted between one and two years.
How did they treat Spanish flu?
At the time, there were no effective drugs or vaccines to treat this killer flu strain. Citizens were ordered to wear masks, schools, theaters and businesses were shuttered and bodies piled up in makeshift morgues before the virus ended its deadly global march.
What animal did the Spanish flu come from?
Presented data support the hypothesis that the 1918 pandemic influenza virus was able to infect and replicate in swine, causing a respiratory disease, and that the virus was likely introduced into the pig population during the 1918 pandemic, resulting in the current lineage of the classical H1N1 swine influenza viruses ...
What country was most affected by the Spanish flu?
The first occidental European country in which the pandemic spread to large sectors of the population, causing serious mortality, was Spain. The associated influenza provoked in Madrid a mortality rate of 1.
Why did the Spanish flu kill so many?
Much of the high death rate can be attributed to crowding in military camps and urban environments, as well as poor nutrition and sanitation, which suffered during wartime. It's now thought that many of the deaths were due to the development of bacterial pneumonias in lungs weakened by influenza.
Why did the 1918 flu spread so quickly?
Harris believes that the rapid spread of Spanish flu in the fall of 1918 was at least partially to blame on public health officials unwilling to impose quarantines during wartime.
How many died Spanish flu 1920?
It is estimated that about 500 million people or one-third of the world's population became infected with this virus. The number of deaths was estimated to be at least 50 million worldwide with about 675,000 occurring in the United States.
What age group did the Spanish flu kill?
It is estimated that the influenza virus that caused the 1918 pandemic killed 20 million people [2, 3] worldwide from the fall of 1918 through the spring of 1920 . One of the unique features of the pandemic was the high mortality rate seen among healthy young adults aged 20–40 years .
- What is the mode of transmission of plague?
- How do you test for Yersinia?
- What is the duration of the symptoms of Yersinia enterocolitica?
- What does Yersinia pestis do to the body?
- Is Yersinia pestis the Black Death?
- Why Yersinia pestis is bipolar staining?
- How common is Yersinia enterocolitica?
- What is the most typical clinical form of a pseudotuberculosis?
- What are 3 symptoms of the plague?
- Is Yersinia pestis archaebacteria or eubacteria?
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