What infection is caused by viruses in the Orthomyxovirus family?
What infection is caused by viruses in the Orthomyxovirus family?
The orthomyxoviruses (influenza viruses) constitute the genus Orthomyxovirus, which consists of three types (species): A, B, and C. These viruses cause influenza, an acute respiratory disease with prominent systemic symptoms.
What flu was around in 2012?
Over the course of the entire 2012–2013 season, influenza A (H3N2) viruses predominated nationally, followed by influenza B viruses; 2009 influenza A (H1N1) viruses were identified less frequently. Influenza A viruses predominated until the end of February 2013, after which influenza B viruses were detected more often.
Where did influenza B originate from?
The origin of influenza B is unclear but was first isolated around 1940 and later separated into two clear lineages by 1983, the Yamagata-like and Victoria-like strains [3].
Is Spanish flu the same as H1N1?
In virology, influenza A virus subtype H1N1 (A/H1N1) is a subtype of Influenza A virus. Well known outbreaks of H1N1 strains in humans include the Spanish flu, the 1977 Russian flu pandemic and the 2009 swine flu pandemic. It is an orthomyxovirus that contains the glycoproteins hemagglutinin and neuraminidase.
What was the first human disease to ever be eradicated?
Smallpox is an acute contagious disease caused by the variola virus, a member of the orthopoxvirus family. It was one of the most devastating diseases known to humanity and caused millions of deaths before it was eradicated. It is believed to have existed for at least 3000 years.
What virus was there in 2013?
2009 H1N1 viruses predominated overall during the 2013-14 flu season, though influenza B viruses became the predominant virus nationally later in the season and caused an increase in influenza-like-illness in parts of the northeast especially.
What disease was in 2011?
Between 2009 and 2011, Korea has witnessed two major epidemics, namely, the influenza A/H1N1 pandemic in 2009–2010 and the foot-and-mouth disease (FMD) epidemic in 2010–2011.
Can you still get the Spanish flu?
Does the Spanish flu still exist? The Spanish flu pandemic is over, but similar influenza viruses are still active.
Why did smallpox vaccine scar?
The smallpox vaccine holds a live virus. It creates a controlled infection that forces your immune system to defend your body against the virus. The exposure to the virus tends to leave a sore and itchy bump behind. This bump later becomes a larger blister that leaves a permanent scar as it dries up.
What is the only virus that has been eradicated?
The last known natural case was in Somalia in 1977. In 1980 WHO declared smallpox eradicated – the only infectious disease to achieve this distinction.
How many cases of bird flu were there in 2013?
Epidemiology and clinical pattern of diseases comparison between avian influenza H5N1 and H7N934,35
| Category | H5N1 | H7N9 |
|---|---|---|
| Total cases (24 May 2013) | 682 | 130+1 (ex mainland China) |
| Death (24 May 2013) (%) | 384 (59) | 36 (at least 27) |
| Age (Mean), years | 19.8 | 60.9 |
| Age (Median), years | 18.0 (range 0.3–75) | 63 (range 4–87) |
What disease was in 2010?
2009-2010 H1N1 Pandemic While this influenza pandemic began during the last decade (the spring of 2009), it did stretch into 2010 and the numbers were huge. In the US alone, from April 12, 2009 to April 10, 2010, CDC estimated there were 60.8 million cases, 274,304 hospitalizations and 12,469 deaths.
Was there a pandemic in 2011?
Between 2009 and 2011, Korea has witnessed two major epidemics, namely, the influenza A/H1N1 pandemic in 2009–2010 and the foot-and-mouth disease (FMD) epidemic in 2010–2011. Although these two epidemics are consecutive, the former was reported in human beings and the latter in animals.
