Questions tagged [public-health]

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1answer
36 views

Why do most of an average person's UV exposure from the sun occur before the age of 18?

I read on https://www.epa.gov/radtown/ultraviolet-uv-radiation-and-sun-exposure: Most of an average person's UV exposure from the sun occurs before the age of 18. Why do most of an average person's ...
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0answers
15 views

Where can I find up-to-date information on the vaccine efficacy for different COVID-19 variants and the main COVID-19 vaccines?

I wonder if there exists some up-to-date information on the vaccine efficacy for different COVID-19 variants and the main COVID-19 vaccines (e.g., similar to COVID-19 cases trackers or COVID-19 ...
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1answer
82 views

Efficacy and costs of medical treatments

There is an easy to grasp formula which combines the efficacy and the costs of a medical treatment, however these may be determined. I wonder if this formula (and the approach) has a name, and which ...
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0answers
26 views

Is the decrease in vaccine uptake in the US for two weeks in a row in line with some models' expectation?

According to Reuters news of May 3, vaccinations have also fallen in the US for two weeks in a row. Nationally, deaths from COVID-19 fell 3% to 4,819 in the week ended May 2, the fewest deaths in a ...
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4answers
276 views

Why are most people who contract COVID-19 asymptomatic?

Why are most people who contract COVID-19 asymptomatic? Does it mean that they can fight COVID-19 and recover fast? Does it mean they have a good immune system to fight coronavirus?
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0answers
24 views

Is it possible to increase viral load and COVID-19 disease severity through subsequent infectious doses? [closed]

There is potentially a causal chain leading from high initial infectious dose to high viral load to high disease severity for COVID-19. See, for example, evidence surveyed here. However, once someone ...
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0answers
53 views

Are COVID-19 patients infectious even if test results are negative?

With Covid-19, are people infectious in the first days after infection before they test positive on a Covid test? I have learned that Covid-19 tests are ineffective in the first few days after being ...
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0answers
26 views

Was Australia successful in reducing the Covid-19 cases in the Melbourne towers, following the "hard lockdown"?

The BBC reported in July that 3,000 people in low-income public housing were put in "hard lockdown" in Melbourne (10 zip codes and/or nine tower blocks), meaning their inhabitants were not ...
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1answer
66 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 ...
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1answer
45 views

How sophisticated were efforts to track the spread of past pandemics for public information?

I am currently inquiring into the COVID Tracking Project for a first-year university course. I would like to give some historical context, i.e. past attempts at pandemic tracking. Searching the web ...
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3answers
433 views

What is the principal goal in pooled COVID-19 testing?

Pooled testing for COVID-19 is being considered as a method to ramp up testing Stat News. Apparently this is being considered by the White House coronavirus team. It's not clear to me what the goal of ...
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2answers
158 views

Can the capacity for COVID-19 tests be amplified by testing multiple samples mixed together and testing each only if positive?

If I understand it right, the following steps are to be taken into account: Taking the sample: for the proposed method more samples would have to be taken. Transporting the sample: more samples ...
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3answers
83 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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1answer
66 views

Is there a graph over time of Covid-19 test positivity rate in the US?

Back in mid-April some commentary/news was that the US was not doing enough testing as evidenced by the test positivity rate: America’s 20 percent positivity rate is disquieting. The U.S. did almost ...
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1answer
599 views

Is there any identified policy China is doing to successfully reduce COVID-19 the other countries aren't using?

Over the last days (beginning of March 2020), active cases of COVID-19 from China have dropped at a rate of 1,000-2,000 per day. China is the only country which seems able to reduce the amount of ...
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1answer
77 views

Why not "increase temperature indoors to 30 Celsius or more + hydration" as a measure to slow down the new coronavirus spread?

Is the new strain of corona virus susceptible to heat? Skimming the map supplies the idea that it is, and many unpublished research suggest that heat might slow down the virus. If so why raising ...
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1answer
48 views

What's the evidence for "flattening the curve" by social distancing measures in the context of contagious respiratory diseases?

This is more of Skeptics-style question, but since I only know of people on Stack Exchange challenging this (so it would not be a "notable claim" for Skeptics)... I'm asking here. For ...
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2answers
222 views

Why are people so worried about 2019-nCoV? [closed]

EDIT: After reading the comments and learning more about the current outbreak, I see that the premise of my question is incorrect. I mistakenly believed that the virus' mortality rate was around the ...
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2answers
154 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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0answers
31 views

Publication on the contamination of used needels by addicts

I am looking for scientific publications on the likelyhood to get infected with a specific disease by used needles which were thrown away by careless addicts. Which viruses can be found statistically ...
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0answers
70 views

What percent of people in the United States are vaccinated against measles?

I am researching measles vaccination rates. Almost every source I have found focuses on immunization coverage among children (of various ages). However, I am curious what the overall population ...
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1answer
39 views

To what extent does filling more prescriptions increase the number of medication errors?

https://www.usatoday.com/story/news/nation-now/2017/05/10/skin-melts-off-medication-error/315930001/ (mirror) says: According to the Food and Drug Administration, medication errors jumped from 16,...
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1answer
41 views

What diet should I eat to perform optimally, maximizing my alertness? [closed]

While studying I have noticed that some diets contribute to wide swings of alertness and tiredness while other diets result in a steady slight brain fog for an extended period. Given the desire to ...
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1answer
142 views

How do I evaluate health benefits and health advertisements of products?

In general, what steps could a layperson take to ensure the product they consume is healthy for them, or to get to know the adverse health effects of said product. A good answer would talk about ...
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1answer
27 views

Does less than 10% of donated used medical equipment ultimately becomes operational?

In its Guidelines for Donations of Health Care Equipment (mirror), the WHO says: The sense among some biomedical engineers and health care professionals who have extensive work experience in these ...
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2answers
178 views

Should we all eat more Protein?

A health conscious person might wander around these days and see a lot of advertising going on, that says: "Eat More Protein!" If you go to a site that calls itself healthline you are even presented ...
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1answer
54 views

Why has the number of medication errors increased by 463% between 2010 and 2016 in the US?

https://www.usatoday.com/story/news/nation-now/2017/05/10/skin-melts-off-medication-error/315930001/ (mirror) says: According to the Food and Drug Administration, medication errors jumped from 16,...