Questions tagged [epidemiology]

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1answer
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Is a nightly curfew an effective intervention strategy for limiting the spread of an infectious disease?

The governing bodies of several geographic areas hit by disease outbreaks will sometimes impose a nightly curfew on their citizens, restricting or limiting the ability of their citizens from going ...
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210 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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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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26 views

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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Is there a spread of immunity agains viruses due to failed infections?

As an interested layperson (having small kids) I was told and read that some viruses are extremely infectious. E.g., very few virus particles of Norovirus (some say less than five) can cause an ...
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68 views

Is there a model that explains why Italy is the second most affected country by COVID-19?

I'm wondering if there's a model which explains why Italy is currently, judging by the data, the second most affected country by COVID-19. I'm not only talking about deaths but also infections. It ...
1
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1answer
32 views

How representative are the COVID-19 quarantine deadlines to the public health impact?

I don't know if this is the right place to ask this question. I feel like a lot of people are asking a very similar question, and all we have are deadlines for quarantines (as of writing this question,...
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33 views

Was it a lab accident or something else that re-released H1N1 in 1977?

In the highly cited 2006 review of Taubenberger and Morens it is mentioned that: The impact of this pandemic was not limited to 1918–1919. All influenza A pandemics since that time, and indeed ...
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34 views

Empirial evidence that standing 1.5-2m apart reduces risk of airborne contagion

One of the measures proposed by the Dutch government to minimise the risk of spreading/acquiring the Covid-19 virus is keeping a distance of 1.5 meters from other people. Similar advice is given in ...
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19 views

How reliable is the often-quoted figure of 0.1% mortality of the flu?

In many articles on the Corona virus there is often a mortality rate for seasonal flu of 0.1% cited. Here just one randomly selected example (but I have seen the number in many, many different ...
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1answer
33 views

As epidemiological countermeasures, why are flights cancelled and surface transport is not?

An early measure to avoid the spread of COVID-19 has been the cancellations of flights from infected zones, e.g.: https://www.reuters.com/article/health-coronavirus-spain-flights/corrected-spain-...
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33 views

inoculation in the absence of a vaccine

In cases where there is a coming epidemic of a disease which has no vaccine, but a very low mortality rate among healthy people, couldn't it make sense for a subset of the population to (voluntarily) ...
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108 views

Why are there so few Covid-19 critical cases in South Korea?

According to Covid-19 statistics there are currently 3150 people affected by Covid-19 in South Korea, while critical cases + death are 27 i.e. less the 1% of the infected. However, on Diamond Princess,...
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24 views

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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41 views

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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40 views

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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21 views

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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What are the epidemiological basis (bases) of ceasing containment measures once an outbreak becomes an epidemic/pandemic?

A previous question on SE has asked about whether testing, a part of the strategy of containment, can help reduce transmission enough such that it reduces the need for aspects of mitigation (Could ...
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29 views

Is there any systematic evidence whether (US style) parks lead to the spread of respiratory illnesses?

New York City apparently took the somewhat controversial decision to keep its parks open during this Covid-19 outbreak, although quite a few in-door recreational facilities were closed, as were ...
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9 views

Where can I find the total number of people living with or beyond cancer for the UK and globally, as up to date as possible (<2020)?

I'm trying to work out the total prevalence of cancer (all types) in the UK and globally, defined as someone who is alive and has had a cancer diagnosis at some point in their lives. I'm really ...
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32 views

Is there an inflection point in Coronavirus outbreaks where you can't contain the epidemy anymore?

So far only a few countries have been able to reduce through policies the number of people infected in their countries after being exposed to thousands of infected, viz. China (including Taiwan, Hong ...
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15 views

Is the length of an epidemic linked to the strictness of the confinement?

From my understanding the measures to confine the population are designed not to protect it from getting infected but to prevent the hospitals to be overflown by too many simultaneous cases. In other ...
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12 views

Fatality rate estimation

I'm a non-medical data scientist needing to quickly familiarise myself with epidemiological methodologies. (Don't worry I'm not going anywhere near modelling..) The definitions of case fatality rate ...
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16 views

How does Incubation time distort statistics?

It takes 7 days on average for the coronavirus to show symptoms. A person is contagious during that time. Should we be correcting the statistic like this for real number of cases? In the above graph ...
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23 views

Do pharmacies' terminals spread infections?

Everybody who's purchasing medicine in a pharmacy has to write a signature on a touchscreen payment terminal, either with his/her finger or by using the stylos attached to the terminal. This practice ...
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30 views

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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1answer
68 views

Could the Cuban coronavirus antiviral be a mass cure for COVID-19?

Sometime around 1981, the Cubans invented an antiviral treatment for coronavirus. What is its relative efficacy against COVID-19? What are the pathways and obstacles for it making its way to being a ...
-1
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1answer
66 views

How does a possible strategy look like after the COVID-19 outbreak is under control?

After several month of fighting against a nation wide epidemic China seems to have the spreading of SARS-CoV-2 under control assuming the official numbers are correct. While the rest of the world is ...