- Where did Ebola come from?
- When did the Black Death End?
- What Old diseases are coming back?
- What are the six killer diseases of a child?
- What diseases no longer exist?
- Did life start a virus?
- What’s the worst disease in history?
- What was the first ever disease?
- What is the oldest virus ever?
- Which epidemic killed the most?
- Who created the first virus?
- Is Leprosy making a comeback?
- Are viruses living?
- What is the number 1 killer in the world?
Where did Ebola come from?
Ebola virus was first discovered in 1976 near the Ebola River in what is now the Democratic Republic of Congo.
Since then, the virus has been infecting people from time to time, leading to outbreaks in several African countries..
When did the Black Death End?
1346 – 1353Black Death/Periods
What Old diseases are coming back?
Let’s take a closer look at 10 diseases that have been making a comeback in developed nations in recent years.Syphilis. … Measles. … Plague. … Scarlet fever. … Mumps. … Gonorrhea. … Chlamydia. … Whooping cough.More items…•
What are the six killer diseases of a child?
These six are the target diseases of WHO’s Expanded Programme on Immuni- zation (EPI), and of UNICEF’s Univer- sal Childhood Immunization (UCI); measles, poliomyelitis, diphtheria, pertussis (whooping cough), tetanus and tuberculosis.
What diseases no longer exist?
To date, the World Health Organization (WHO) has declared only 2 diseases officially eradicated: smallpox caused by variola virus (VARV) and rinderpest caused by the rinderpest virus (RPV).
Did life start a virus?
The Virus World Theory is closely related to the RNA World Theory, which says life first evolved as small pieces of RNA that slowly developed into complex DNA-carrying organisms. The Virus World Theory agrees that life’s genetic material began as RNA.
What’s the worst disease in history?
20 of the worst epidemics and pandemics in historyFlu pandemic: 1889-1890. … American polio epidemic: 1916. … Spanish Flu: 1918-1920. … Asian Flu: 1957-1958. … AIDS pandemic and epidemic: 1981-present day. … H1N1 Swine Flu pandemic: 2009-2010. … West African Ebola epidemic: 2014-2016. … Zika Virus epidemic: 2015-present day.More items…•
What was the first ever disease?
Mycobacterium tuberculosis (MTB) may well be the oldest pathogen to haveinfected humankind. Modern humans (or homo sapiens) emerged out of the “hominid” group almost two million years ago, and began wandering out of Africa about 70,000 years ago to populate the world.
What is the oldest virus ever?
Pithovirus is the oldest virus to ever awaken from dormancy and remain infectious. It measures 1.5 micrometers long, about the size of a bacterium, making it the largest in a class of giant viruses that was discovered 10 years ago.
Which epidemic killed the most?
Cholera, bubonic plague, smallpox, and influenza are some of the most brutal killers in human history. And outbreaks of these diseases across international borders, are properly defined as pandemic, especially smallpox, which throughout history, has killed between 300-500 million people in its 12,000 year existence.
Who created the first virus?
Brain, the first PC virus, began infecting 5.2″ floppy disks in 1986. As Securelist reports, it was the work of two brothers, Basit and Amjad Farooq Alvi, who ran a computer store in Pakistan.
Is Leprosy making a comeback?
CLAIM: Leprosy is making a comeback in Los Angeles and the city is at risk for an outbreak. … No more than four cases of leprosy, also called Hansen’s Disease, have been reported in any year during that time, according to a statement from the Los Angeles County Health Department.
Are viruses living?
Viruses are not living things. Viruses are complicated assemblies of molecules, including proteins, nucleic acids, lipids, and carbohydrates, but on their own they can do nothing until they enter a living cell. Without cells, viruses would not be able to multiply. Therefore, viruses are not living things.
What is the number 1 killer in the world?
Heart disease—most commonly caused by coronary artery and valvular diseases—is the #1 killer in the United States. It accounted for almost one-fourth of all registered deaths.