Michael Olesen 💉😷🇺🇸🇺🇦 Profile picture
Epidemiologist blocked by Prasad & Ghandi. Ko-fi: maolesen Threads: olesen5170 @molesen@mas.to Bluesky: @molesen.bsky.social See URL for COVID data viz.
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Apr 14 • 17 tweets • 5 min read

I was on my way to the next hospital I'll be working at for the next three months. I had heard about a bad outbreak of mad cow disease in Thorp, WI which was right on my way and the situation was far worse than I expected. The prion causing the disease had clearly mootated and given the cows some strange powers.
Apr 2 • 25 tweets • 6 min read
Part 2 of selected H5N1 and pandemic slides. Here is the cost of normal seasonal influenza. Image Image
Apr 2 • 25 tweets • 6 min read
A few slides from my H5N1 pandemic deck that seem pertinent at the moment. Don't ask me to put them all up, there are 377. This particular one had to do with the 2009 swine flu. Image Image
Mar 31 • 5 tweets • 2 min read
This is weekly US COVID admissions. The dotted lines that drop in June last year is due to the requirement for reporting suspected admissions, so after that time, this data is only representing about 1/3 of the actual numbers. Image 2-5 This means that there are about 45,000 COVID admissions/week for 3/17. About 1% of COVID cases need hospitalization, indicating around 450,000 cases/week.
Feb 23 • 6 tweets • 2 min read

Another small, but important study on post COVID cognition.

nature.com/articles/s4159… 2-

"Our findings revealed significant attention deficits in post-COVID patients across both neuropsychological measurements and experimental cognitive tasks, evidencing reduced performance in tasks involving interference resolution and selective and sustained attention."
Jan 20 • 7 tweets • 3 min read

Here's one of the most disturbing images I've seen in some time. Image 2-
Zoomed in. The red pin is the Thwaites Glacier. I drew a red line around the Thwaites Tongue. It's the part of the glacier that is not over land, but over the ocean where most of the calving takes place. Image
Dec 14, 2023 • 17 tweets • 4 min read

All Minnesota. Here's the full portfolio of templates that I will use for each state. If you have commentary on one, please reply in that part of the thread. I could also use another set of eyes for typos. I have them in the order I think would be of most interest. 2-COVID admissions stacked and stratified by age and hospital reporting. Image
Dec 6, 2023 • 4 tweets • 1 min read
1-4 More on COVID fetal damage.

"20.3% of [exposed] children and 5.9% of the [controls] received a diagnosis of neurodevelopmental delay within 12 months of life (p=0.013, RR= 3.44; 95% CI, 1.19- 9.95).

sciencedirect.com/science/articl… For the exposed group, the prevalence of neurodevelopment impairment using ASQ-3 was 35.7% at 4 months, 7% at 6 months, and 32.1% at 12 months.
Nov 19, 2023 • 8 tweets • 2 min read

Since my post last night about rabies garnered a lot of interest that I wasn't expecting, I'll tell the story of my prior experience with it with my other son and add some recommendations at the end as a PSA. 2-

I had taken him to a wooded park in a MSP suburb. We were walking a limestone trail when a pit bull lept from the shrubs at me. I knocked it away with my arm as it flew toward me. It proceeded to bite my son, although the bite itself was very minor, but the skin was broken.
Nov 16, 2023 • 4 tweets • 2 min read

What's going on with RSV in the US?

Image 2-

It's the usual suspect. "COVID-19 was associated with a significantly increased risk for RSV infections among children aged 0–5 years in 2022. Similar findings were replicated for a study population of children aged 0–5 years in 2021...
Nov 8, 2023 • 8 tweets • 2 min read

Hospital onset COVID in the US. Note the big drop when the required reporting was dropped. I've been reviewing the primary text of my professional association to acquire my board certification in infection prevention again. Image 2-

In the legal issues chapter, "In general, for a person to bring a cause of action against another, the following elements must exist:

-The plaintiff must have an interest that is protected by law.
-The plaintiff must show the defendant had a legal duty to act.
Sep 26, 2023 • 10 tweets • 2 min read

Here's my estimate of current COVID cases/day in the US and my rationale. I am using hospital admission data, which is only current until two weeks ago, but this is the most recent that became available today. Image 2- For the week starting 9/10, there were 17,731 reported COVID admissions. You can see that the change in suspected reporting requirements dropped admission numbers by half, so I'll double admissions to 35,462. Divide that by 7 to get 5,066 admissions per day.
Sep 17, 2023 • 14 tweets • 4 min read

I've finally gotten every CSA designated metro area COVID hospitalization data plotted for the US and PR. This should give you an idea of what counties constitute metro areas. Image 2-A couple of caveats. The data lags by 2 weeks, so pay attention to the shape of the curves recently, not raw numbers. Also, remember that some hospitals are not testing like they had been, so comparisons to the past are not going to be accurate and the values are undercounted.
Sep 6, 2023 • 7 tweets • 3 min read

Now that I have some relief from a migraine that lasted most of the weekend, I've been thinking about what is driving the surge in the US. Image 2- Japan seems to be a good place to start since theirs started in April. Image
Sep 1, 2023 • 5 tweets • 2 min read

I stumbled across a review of this book while searching for some information. I reviewed this book before it went to the publisher and I HIGHLY recommend it. However, I had forgotten some of the content.

@soniashah Image 2- One of the more fascinating sections of it describes how a company that became Chase Bank was responsible for the spread of cholera in NYC.
Aug 28, 2023 • 13 tweets • 5 min read

After a considerable amount of work and troubleshooting the last couple of weeks I created a new set of visualizations for each state. I made them relatively high resolution to allow for zooming in. There are 10. I will use NY to walk through them. 2- This is COVID ED visits. I realize I should be only using suspected admissions reporting as the metric to see why there is such a massive drop in ED visits, as you can see in the dotted line in the graph following this one. Image
Aug 21, 2023 • 5 tweets • 2 min read
1-4 This is a major agricultural area. It provides about 80% of the winter vegetables consumed in the US.

Image 2- There is still a LOT of rain inbound to the area. Image
Aug 15, 2023 • 8 tweets • 1 min read

I was asked to make a public comment today to the LA County Board of Supervisors and then to post my comment here. One minute is tight, but I did it and talked a little faster than normal. 2- I would like to comment on mask mandates in healthcare as an epidemiologist. The lack of communication from public health agencies has left the public with an impression that the pandemic is over. It is not.
Aug 14, 2023 • 13 tweets • 4 min read

A rough overview of how I did this.


Used all of the Central and Outlying areas in the NYC metro areas as defined by FIPS as the filter.

Aug 3, 2023 • 7 tweets • 2 min read

US. This is disturbing. This is a graph of total IP beds, occupied beds, and COVID beds (L axis). The number of hospitals reporting this data are the black dotted lines (R axis). Image 2-

The solid red line is the number of hospital acquired COVID cases. The dotted red lines are the number of hospitals reporting HAI COVID and COVID cases overall (all R axis). Look at the drop in the number reporting.
Jul 27, 2023 • 13 tweets • 4 min read
I wouldn't have gone to see this movie in 2004... 1/ Image Had I known I would start living it today... 2/ Image