no, the plague virus is to spread through air not by mosquito
In addition to the bubonic plague, there are two other different diseases caused by the same organism, called the septicemic plague and the pneumonic plague. The bubonic plague is spread by rats and fleas; a person gets it by being bitten by an infected flea. The septicemic form is the same disease, except that it has spread into a person's blood stream, where it progresses more rapidly and is more likely to be lethal. If the plague gets into a person's lungs, then the form is the pneumonic plague, and it can be spread in the droplets in the air when that person coughs; another person can catch the pneumonic plague by breathing the air.
by inhaling the air of the victim
The Black Plague devastated Europe killing (an estimated) half of the population and spread into Asia. Supposedly it was the Bubonic Plague spread by fleas on rats. This is the most widely accepted theory. Recently this information has been disputed for several reasons, including temperature in which bubonic plague can thrive, rate of spread and death rates and the fact that there were no rats in some affected areas (such as Iceland). This high mortality rate and fast spread can possibly be attributed to respiratory droplet transmission. This allows a spread without the rats and a much quicker speed. Since the bubonic plague often causes coughing, this means that it could be transmitted via the air (aerosol transmission). A low immunity can account for the death rate, similar to smallpox with Native American populations.
Pneumonic Plague is the most serious form of plague. It should not be confused with Bubonic Plague, the "Black Death" of Medieval Europe. As it's name implies, it affects the lungs. It can be successfully treated if antibiotics are administered within the first 24 hours of symptoms appearing. Without treatment it is uniformly fatal in 36-48 hours. 98% of the cases reported each year occur in Africa.
More properly, a LACK of science played a role. The means by which the Bubonic Plague was spread was unknown (disease spread by fleas from rats). It was blamed on night fogs, cats, and bad air. When the cats were killed, there were more rats to spread the disease.
Yes, you could get the Black Plague by breathing near someone who already had the plague. The plague was transmitted through the spread of droplets in the air when a person coughed or sneezed. If you breathed those droplets, you could get the plague.
I think you are mentioning "plague". It is a infectious disease which can be spread through different sources.The major source for plague is caused by the virus yersinia pestis. It is carried by rats, which can be spread through fleas to humans. It can also spread through air or direct contact. If it is detected early, it can be easy to cure in early stages of the disease. you can learn more about this disease here, http://www.drugs.com/health-guide/plague-yersinia-pestis.html
Cholera does not spread through air. But then cholera spread by housefly. You can call it spread by 'Air'.
There were three types of bubonic plague:Bubonic PlagueSepticemic plaguePneumonic PlagueThese were spread in two different ways. The first two were spread by flea bytes, and the difference pertained to how a person reacted, the second being much more lethal. The third was spread by bacteria coughed up and carried in droplets in the air, and was worse yet.
One type is from a bite of a flea that carries the disease. The spot where the person is bitten turns black and forms a pustule. The other type was carried by the air and came from a cough of an infected person ( like the flu). The people who got the plague this way died faster than the people with the bite.
Oil is not spread through air .