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Questions tagged [infectious-diseases]

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1answer
30 views

Why are vaccines containing attenuated microorganisms preferable to those containing dead microorganisms instead?

My teacher said it more closely resembles a real infection but I didn't get that.
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0answers
15 views

In which disease the fever does not comes down below 100 degree fahrenheit in a one and half year old kid? [closed]

In which disease the fever does not comes down below 100 degree fahrenheit in a one and half year old kid? I really want to know about the disease because my neighbor son is having it and all reports ...
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1answer
62 views

Is it possible to contract the plague by kissing a wild chipmunk?"

I watched this cute video and I came to conclusion that the lady in the video is putting her life in danger. She kisses a wild chipmunk. As I know, they have fleas, and fleas have a black plague. ...
3
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1answer
96 views

can one be infected with Naegleria fowleri by taking Steam?

will Naegleria fowleri be present in the steam molecules. Many people take steam from hot water to get relief from sinus. I read somewhere that Naegleria fowleri gets killed over 70 C. So steam will ...
2
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1answer
46 views

Why reaginic antibodies are absent in these types of syphilis?

According to Textbook of Microbiology and Immunology 2e, Subhash Chandra Parija, pg.no; 375 These(reaginic) antibodies do not appear in early primary syphilis, latent acquired syphilis of long ...
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1answer
29 views

How do PrP mutations lead to prion disease?

My understanding is: The PrP gene in human cells is expressed as both PrP-c (normal protein) and PrP-sc (prion disease protein). This happens post transcriptionally, that is, the normal and the ...
3
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1answer
47 views

Are Measles patients infectious until death?

I'm examining a dataset of a measles outbreak, and for each patient I have the date of first appearance of symptoms $t_1$, date of appearance of rash $t_2$, and if applicable, date of death $t_d$. ...
3
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1answer
58 views

Does avoiding medication that alleviates symptoms to shorten the length of a cold?

People use over the counter (OTC) medications to relieve symptoms of the common cold. However, these symptoms are part of the immune response, right? They are driven by the body responding to the ...
4
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1answer
99 views

Can a vaccine or antidote be administrated via gases or sprays?

On TV or in movies a gas or spray containing a vaccine/cure/antitoxin is released and everybody is saved. Is this something plausible in real life? Specific examples would be appreciated.
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0answers
34 views

Which infectious disease would increase global life expectancy the most if eradicated [closed]

In the 1700s it was estimated, by Daniel Bernoulli, that wiping out smallpox would increase global life expectancy by over three years. If we could wipe out one infectious disease today, which would ...
5
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1answer
103 views

Rabies transmission via barking

According to CDC, non-bite exposure includes scratches, abrasion, and contamination of the mucous membrane from a rabid animal's saliva. So, is it possible to catch rabies if a rapid animal barks ...
3
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2answers
58 views

What effect does taking antibiotics unnecessarily have on future bacterial infections?

I have been told by my biology teacher that you shouldn't take antibiotics unnecessarily because "the body gets used to them" and it reduces the effectiveness of antibiotics against future bacterial ...
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0answers
33 views

Is swimming pool water actually a weak topical medication?

I was inspired by this question. Given that the chlorine levels in swimming pool water are so high that they can seriously harm amphibians, it seems logical that the water should also kill various ...
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2answers
122 views

Activity driven model threshold

So I am trying to figure out a threshold for an activity driven model. That is described in this paper: https://www.nature.com/articles/srep00469 That is I don't see how the researchers got ...
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0answers
19 views

Why does botulinum toxin cause only NMJ symptoms?

Botulinum toxin acts by preventing release of ACh by cleaving SNARE proteins. But if it is acting on snare proteins shouldn't all vesicle releases be effected? Why is it limited only to the ...
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1answer
63 views

Can disease resistance from vaccination be inherited?

If a person has taken a vaccine against a particular disease and is resistant to that disease, will his/her children will be resistant to that disease??
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0answers
35 views

What happened to pertussis incidence in the US between 1955 and 1974 and why?

The Wall Street Journal ran a great collection of infographics in 2015 superimposing the dates on which vaccination was introduced for various childhood diseases on their incidence: http://graphics....
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1answer
59 views

Which eradicated viruses still have remaining stockpiles? [closed]

Other than smallpox, I'm curious to know if there are any other stockpiles of eradicated or nearly eradicated viruses, and if so where are they located? Thank you.
3
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1answer
40 views

Recommended reading to quickly get up to speed on infectious diseases

I am in the beginning stages of a capstone project for my master's in Data Science. For various reasons, I have landed on the subject of Clostridium difficile infection. My background is in Computer ...
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1answer
140 views

What's the cause of the scars on these cherries?

These cherries have some scars. Are they coming from a disease? Is it correct to call them "Cherry scabs"? Here's the photo: -
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1answer
80 views

Name of this kind of stain on fruits and how do they form

Last year I made some photos with avocados touched by some stains. They were even more delicious than the regular ones. What's the name of such stains and how do they form? My guess is that they form ...
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1answer
17 views

Free online image libraries of trachoma

I'm looking for an online source with images of the eye disease trachoma. I'm looking preferably for resources from a credible source that have images from each stage of the disease.
0
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1answer
43 views

How does the measeles virus form? [closed]

I would like to understand how (if possible) the measles virus could start to infect a population that was theoretically isolated from any other population group. Put another way, can the measles ...
3
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3answers
385 views

Strange white strings on cherry tree leaves

What could be the cause of these white strings on the leaves of our sour cherry tree? Is it some kind of fungus or an insect? Also, i don't know if it's related or not, but on the other side of the ...
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0answers
27 views

How can a waterborne disease be transmitted [closed]

If a disease is waterborne [as in it is based in the digestive tract], what ways can it be contracted other than the obvious drinking of infected water?
2
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0answers
71 views

Debug Fresno; why are the released mosquitos said to be sterile?

I saw in the news that Verily Life Sciences will participate in an experimental release of sterile male aedes aegypti mosquitos in Fresno, California. Aedes aegypti is considered an invasive species ...
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0answers
45 views

Can immune cells be recruited to an area of inflammation, and later go on to a second?

With regards to innate or adaptive immune cells... can naive/immature cells such as neutrophils, monocytes, macrophage/dendritic cells or adaptive T-cells be recruited to an area of inflammation, for ...
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0answers
31 views

compute contact mixing matrix from partnership degree data

In a discussion of sexual partnering, we are given the following information on a momentary degree distribution (as percentages): ...
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1answer
99 views

Don't understand figures in this citizen-science mosquito ID project

The Citizen-based mosquito monitoring system is a Citizen-Science vector tracking project that involves using any of a wide variety of cell phones to capture "sound bites" (sorry!) of mosquitos. These ...
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0answers
829 views

Was Myxomatosis Man Made?

I can't seem to find any conclusive information about the origin of Myxomatosis. According to Wikipedia It was first observed in Uruguay in laboratory rabbits in the late 19th century. It was ...
2
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1answer
59 views

Is the basic reproduction number unique?

Given any epidemic model of an infectious disease, there are various ways of computing a basic reproduction number($R_0$) such as; the next-generation method, survival function, largest eigenvalue of ...
4
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2answers
137 views

Reproduction number of a SIR model with mortality

We know that reproduction number $\mathcal{R}_0$ is $\frac{\alpha}{\beta}$ for the following system, such that if $\mathcal{R}_0>1$, there is an epidemic in the population. Now, assume the system ...
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2answers
2k views

Why is bacterial meningitis worse than viral meningitis?

My field is not biology related, but it is commonly said that bacterial meningitis is far more dangerous to the individual than the viral kind. It seems to be true even with antibiotic treatment. What ...
2
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1answer
447 views

How does Vibrio cholerae benefit from infecting its host?

As far as I know, V. cholerae secretes a toxin called choleragen into the intestinal lumen which affects the intestinal epithelial cells causing release of Na+ and Cl- ions into the lumen and reducing ...
0
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1answer
792 views

Between Cholera and Polio, which disease cannot be controlled by killing the vectors [closed]

Since Cholera affects only humans, and also doesn't have an insect vector or animal reservoir host. And Polio is a disease of the central nervous system, spread from person to person through infected ...
3
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1answer
106 views

How can an infection of lower respiratory tract lead to a skin infection? [closed]

I am interested in the multifactorial process about infectious diseases of the lower respiratory system and their progression to a skin infection. Possible agens are zwitterions, viruses, fungi, ...