What is the mode of transmission for bubonic plague?
Bubonic plague is transmitted through the bite of an infected flea or exposure to infected material through a break in the skin. Symptoms include swollen, tender lymph glands called buboes.
Is bubonic plague direct or indirect transmission?
Bubonic plague is the most common form and is characterized by painful swollen lymph nodes or ‘buboes’. Plague is transmitted between animals and humans by the bite of infected fleas, direct contact with infected tissues, and inhalation of infected respiratory droplets.
How did measles spread?
The virus is transmitted from person to person via respiratory droplets produced when sick people cough and sneeze. Virus-containing droplets can remain in the air for several hours and the virus remains infectious on contaminated surfaces for up to two hours.
Where did measles virus come from?
The first case of measles is believed to have appeared in the Middle East due to the close proximity and large amounts of time cattle herders spent with their cattle. Measles is a highly contagious viral infection that can cause a rash, fever, and cough.
How was the bubonic plague transmitted to humans quizlet?
“Bubonic plague is a disease that is typically passed from rodents to other animals and humans via the bite of a flea. The flea acquires the bacterium that causes the disease as it lives on the skin of the rodent. Humans can also acquire the disease by direct contact with infected” (Bubonic Plague 3).
What is the primary route of transmission for primary pneumonic plague to humans in the US?
Pneumonic plague occurs when Y. pestis infects the lungs. This type of plague can spread from person to person through the air. Transmission can take place if someone breathes in aerosolized bacteria, which could happen in a bioterrorist attack.
How did the bubonic plague spread throughout Europe?
The disease originated in central Asia and was taken to the Crimea by Mongol warriors and traders. The plague then entered Europe via Italy, carried by rats on Genoese trading ships sailing from the Black Sea. The disease was caused by a bacillus bacteria and carried by fleas on rodents.
Is measles airborne or droplet precautions?
Airborne precautions are required to protect against airborne transmission of infectious agents. Diseases requiring airborne precautions include, but are not limited to: Measles, Severe Acute Respiratory Syndrome (SARS), Varicella (chickenpox), and Mycobacterium tuberculosis.
What was the first case of measles?
The first written record of measles in the United States was in 1657 by a citizen of Boston, Massachusetts. John Hull, in his personal journal, stated “the disease of measles went through the town, but fortunately there were very few deaths” (College of Physicians, 2020).
How did the Black Death bubonic plague spread across Europe quizlet?
– Plague went from Mongolia to China then to Italy. How did the Black Death spread through Europe? The Black Death spread by person to person. – Could infect the blood and then there would be boils on the skin and the person would bleed inside.
How did the Yersinia pestis travel quizlet?
the virus was passed by fleas with the “Yersinia pestis”.
In which directions did the bubonic plague spread from Asia along sea routes?
The direction the Yersinia pestis spread from Constantinople was first along the shipping routes to trade ports along the Mediterranean Sea, and then overland from the ports into the European interior.
Which trade route did the Black Death spread quickly along?
the Silk Road
The Silk Road was a vital trading route connecting East and West—but it also became a conduit for one of history’s deadliest pandemics. The Silk Road was a vital trading route connecting East and West—but it also became a conduit for one of history’s deadliest pandemics.
How does measles spread so fast?
Measles is a highly contagious virus that lives in the nose and throat mucus of an infected person. It can spread to others through coughing and sneezing. If other people breathe the contaminated air or touch the infected surface, then touch their eyes, noses, or mouths, they can become infected.
When did measles spread?
Measles was first reported in the United States in 1765, eventually killing about 6,000 people a year in the early 20th century. The creation and licensure of the measles vaccine in 1963, followed by widespread vaccination, led to the elimination of measles in the United States in 2000.
Who did Henry get the measles from?
At the end of Episode 3, it is revealed Henry had contracted measles from Gil’s (Mackenzie Astin) unvaccinated daughters. Following Henry’s recovery, Gil visited Love at her bakery to apologize and explained his anti-vaccine stance. He confessed to Love: “Our girls were pretty minor.