Questions tagged [epidemiology]

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Looking for references describing the physical transmission of rhinoviruses and coronaviruses

I'm looking for reputable reference works that describe the physical aspects of how particles containing rhinoviruses and coronaviruses travel through the environment during disease transmission. I'm ...
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In what time frame exactly was the 2009 H1N1 fatality rate overestimated?

I've read that "It's good to remember that when H1N1 influenza came out in 2009, estimates of case fatality were 10 per cent," said David Fisman, an epidemiologist at the University of Toronto, ...
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131 views

What is a sophisticated estimate of the 2019-nCoV fatality rate?

I've read through this Q&A: Is the mortality rate of 2019-nCoV 41%? My understanding from reading that Q&A is that in the early phase of an outbreak, there are two naive ways to estimate ...
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Will there ever be a universal vaccine for the common cold?

If I get infected once with the virus which causes a common cold, does that mean I will not get infected with the same strain of the virus ever in my lifetime? Is the immune system capable and smart ...
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How do you distinguish between “cure” and “recovery” in terms of medical terminology?

​‎I hear a lot of people using the words "cure" and "recovery" interchangeably. Are these two words interchangable in epidemiology? What's the difference between these two in terms of medical ...
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Might the coronavirus be transmitted by packages shipped from China? [duplicate]

There is currently a coronavirus outbreak in China. I order many packages from China, mostly electronics parts. I see that I have dealt with distributors on Aliexpress from Wuhan, the coronavirus ...
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1answer
25 views

Why are health/epidemiology measures usually multiplied by 1,000, 10,000, 100,000, etc.?

I have found various and seemingly related explanations: Multiplying by 10,000 [patient days or patients] standardizes the rate so it can be compared to other hospitals / populations that may have ...
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1answer
30 views

What would a medical NGO need to know to begin dealing with a viral pandemic?

Here's a hypothetical, fictional scenario, which I'm sure plenty of people working in this field have nightmares about, but which hopefully paints a meaningful picture for a very important question. ...
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138 views

What is the cause of the vaping-related outbreak of lung injuries?

According to the CDC, there are reports of more than 1000 patients in the US with vaping-associated lung injuries, and 23 deaths have been confirmed. The median age of deceased patients is 49.5 years, ...
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132 views

How to explain the theory of the influence of purine and alcohol on the incidence of risk for gout in light of contradictory evidence?

A common thought is that dietary restrictions are recommended for people susceptible to gout. These restrictions often focus on fructose, purines and alcohol: if a food or beverage is 'high' in ...
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Intra-atrial thrombosis epidemiology

I have searched without much luck about this question: What are the epidemiological data about intra-atrial thrombosis? All I’ve found are epidemiological data about benign and malign tumors, but I ...
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Enquiry on literature on level of alcohol consumption associated with onset of Alcohol Use Disorder

The literature on the relative risks of mortality (all cause and cardiovascular) of different levels (volumes) of alcohol use or consumption (operationalised here in terms of Quantity-Frequency ...
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During the GMEP of 1955-1968: “malaria had been eliminated in 35 countries” versus “15 countries and one territory eliminated malaria”

In one source, it is claimed that, during the Global Malaria Eradication Program (GMEP) of 1955-1968 "malaria had been eliminated in 35 countries". In another source, it is claimed that, during this ...
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634 views

Why is HIV singled out from other STIs?

If HIV is an STI, then why is HIV often listed separately? Examples: HIV & Sexually Transmitted Infections Fact sheet STDs and HIV – CDC Fact Sheet What You Need To Know About the Links Between ...
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105 views

Quantify third-hand smoke exposure risk

Are there any reliable reviews which quantify the risk associated with third hand smoke exposure? (For example in terms of second hand smoke exposure risk) The scientific literature I've read so far ...
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What is the relationship between susceptibility to subclinical secondary immune response and susceptibility to colonization?

Damien, Scheider, and Muller 1998 looks at susceptibility to secondary immune response in vaccinated and unvaccinated people. Is it reasonable to infer, from susceptibility to subclinical secondary ...
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Vaccines and autoimmunity concerns

Medical papers/books exist linking vaccines to autoimmunity yet I am not able to decide whether they should be considered sound and peer reviewed scientific studies or not. Some examples are: "rare ...
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Incidence of anisakidosis in Japan

In Japan where raw fish are frequently eaten with no anti-parasite processing the infection of the nematode Anisakiasis became a required reportable diagnosis in 2012. Nevertheless, only 89 cases were ...
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257 views

Calculate U.S. life expectancy for 2025?

This is the hard data on incidence of specific diseases for the year 1995 and (projected) 2025. I have omitted chronic diseases as a group, although they are projected to increase from 90 million (...
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137 views

Was “patient zero” a concept used in epidemiology before 1980s HIV investigation?

This question may possibly be a fit for English Language or History stackexchange. Recently it was widely reported in the media about the results of new genetic testing of early HIV samples. The ...
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146 views

Washing hands after going to the washroom to prevent epidemy

There is widespread agreement that one should wash its hands after going to the washroom. However, a large fraction of the population does not wash their hands. These types of signs became fairly ...
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2answers
143 views

Epidemic and outbreak of Disease

What are the differences between an epidemic and an outbreak? Both words mean unexpected or unusual occurrence of the disease. Can someone explain the difference between them?