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Visualizing the Growth of COVID-19 in the U.S., Organized by State Peak Date

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The exponential nature of viral spread means that pandemics are fast-moving and dynamic.

Combine this with the high interconnectedness of modern life—even when social distancing and lockdowns are applied—and pandemics can evolve quickly. In just a few weeks, previous hotspots can cool down, while new high risk areas can crop up seemingly out of nowhere.

In the United States, like many other places in the world, the virus is hitting regions differently, and this landscape is constantly changing over time.

COVID-19 Growth, by State

Today’s first visualization comes to us from Reddit user bgregory98, and it uses data from the New York Times to plot confirmed active COVID-19 cases by state.

States are organized by the date that weekly average cases peaked, from top to bottom. Data is normalized and is current until June 16th, and states are colored based on regional definitions (i.e. Northeast, Midwest, West, South) as defined by the U.S. Census Bureau.

Visualizing the Growth of COVID-19 in the U.S., Organized by State Peak Date

As you can see, when looking purely at active cases, the situation has evolved considerably from a geographical perspective.

Early on, COVID-19 cases were more concentrated in coastal population centers, especially in the Northeast. New York, New Jersey, and Massachusetts, the three hardest hit states per capita so far, saw cases peak in April.

However, a look at the bottom half of the visualization shows that generally, states in the South and West are starting to heat up with cases. Recent daily numbers confirm this, with California, Texas, Florida, Arizona, and North Carolina all gaining more than 1,000 new cases on June 17th.

Growth by State, Part Deux

The following visualization by Reddit user jawsem17 is designed using a similar concept, and is current as of June 17th.

This version uses the same data set from the New York Times. However, it also includes deaths as a metric, showing a comparison of peak deaths to peak cases for each state.

Visualizing the Growth of COVID-19 by Peak Cases and Peak Deaths

Although one would expect peak deaths to follow peak cases, this is not always the case.

Peak deaths in Nevada, for example, occurred on April 24th, but peak cases have been in the last week. This same peculiar pattern can be seen in a variety of states, from California to Oklahoma.

Mapped: The Evolution of COVID-19 in the U.S.

As the pandemic spreads and the situation has evolved, the mean center of weekly COVID-19 cases has been moving in a southwest direction.

The following map, which also comes from Reddit user bgregory98, averages the center coordinates of all counties weighted by how many new confirmed cases they have had over the past week:

Mean Cases Map

Originating in Ohio, the mean center of cases was initially heavily skewed by cases in the New York metro area. Since then, the mean center of cases has shifted and has now journeyed slightly past the mean center of U.S. population, located in Missouri.

This is partially a regression to the mean, but it is also driven by growing case counts in aforementioned states in the southern and western parts of the country.

Mapped: Peak County Totals

Finally, the progression of COVID-19 within the U.S. can be mapped in another useful way, revealing a geographical perspective to the virus’ spread.

These maps from Winston Saunders show places where current disease levels are below their previous peaks (blue), and where current COVID-19 cases are at highs (red) as of June 18:

Cases Below Previous Peaks

Cases at Peak Levels

This again shows the shift from the Northeast and Midwest parts of the country towards the West and South regions.

As always, the path of the virus’ spread will continue to change and evolve, and the picture could again look quite different in just a few weeks time.

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Cannabis

Mapped: The European CBD Landscape in 2020

This graphic explains the innately complex legal status of CBD products in Europe and highlights the countries leading the CBD charge.

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Mapped: The European CBD Landscape in 2020

To say CBD has risen in popularity over the last decade is an understatement.

Not only have CBD consumer products rapidly infiltrated a long list of industries, new research discoveries continue to prove their therapeutic benefits. By 2023, the European CBD market is estimated to reach €1.4 billion.

However, a big problem remains—there is an incredible amount of uncertainty surrounding what is legal, and what isn’t. The above infographic from Elements of Green sheds some light on the innately complex legal status of CBD products in Europe.

The Great CBD Debate

CBD—short for cannabidiol—is a non-psychotropic compound produced by cannabis plants.

While most European countries have legalised it in some way, the caveat for many is that it must be extracted from industrial hemp, thus containing less than 0.2% THC—the intoxicating compound also found in cannabis. On the other hand, countries such as France and Norway only permit CBD isolate (the pure form of CBD) with no THC.

In 2019, the European Food Safety Authority (EFSA) designated CBD products as a novel food. This means that companies should seek authorisation to bring products to market, although it is not required by law.

However, the industry has now hit a fork in the road, as the European Commission (EC) recently announced it will be suspending applications for novel foods status while it determines whether or not certain CBD products should be labelled as narcotics instead.

The Legal Landscape in 2020

As the industry flip flops between regulations, consumers and investors need to understand that each country has its own laws surrounding the use of CBD.

CountryCBD Legal Staus
🇦🇱 AlbaniaIllegal
🇦🇩 AndorraIllegal
🇦🇲 ArmeniaIllegal
🇦🇹 AustriaLegal grey area (legal lean)
🇧🇾 BelarusIllegal
🇧🇦 Bosnia and HerzegovinaIllegal
🇧🇪 BelgiumLegal grey area (restricted lean)
🇧🇬 BulgariaUnrestricted
🇨🇿 Czech RepublicLegal grey area (legal lean)
🇭🇷 CroatiaLegal grey area (legal lean)
🇩🇰 DenmarkUnrestricted
🇪🇪 EstoniaLegal grey area (legal lean)
🇫🇮 FinlandLegal grey area (restricted lean)
🇫🇷 FranceUnrestricted
🇬🇪 GeorgiaIllegal
🇩🇪 GermanyUnrestricted
🇬🇷 GreeceUnrestricted
🇭🇺 HungaryLegal grey area (legal lean)
🇮🇸 IcelandLegal grey area (legal lean)
🇮🇪 IrelandLegal grey area (restricted lean)
🇮🇹 ItalyLegal grey area (restricted lean/legal for medical use)
🇱🇻 LatviaLegal grey area
🇱🇮LiechtensteinLegal grey area
🇱🇹 LithuaniaIllegal
🇱🇺 LuxembourgUnrestricted
🇲🇹 MaltaLegal grey area/legal for medical use
🇲🇩 MoldovaIllegal
🇲🇨 MonacoIllegal
🇲🇪 MontenegroIllegal
🇳🇱 NetherlandsUnrestricted
🇲🇰 North MacedoniaLegal for medical use
🇳🇴 NorwayLegal for medical use
🇵🇱 PolandUnrestricted
🇵🇹 PortugalLegal for medical use
🇷🇴 RomaniaUnrestricted
🇷🇸 SerbiaLegal grey area (restricted lean)
🇸🇰 SlovakiaIllegal
🇸🇮 SloveniaUnrestricted
🇪🇸 SpainUnrestricted
🇸🇪 SwedenUnrestricted
🇨🇭 SwitzerlandUnrestricted
🇺🇦 UkraineUnrestricted
🇬🇧 United KingdomUnrestricted

While a handful of European countries have made it illegal to import, buy, or possess CBD, the vast majority have legalised CBD products that either comply with the Novel Foods Act, or can be obtained from a licensed medical practitioner.

Of these countries, Germany and the UK lead the European CBD market, followed by Switzerland, Austria, Spain, and Greece.

A Call For Change

A progessive stance on cannabis legalisation combined with increasing consumer demand has led to several countries showing remarkable growth, such as Poland, Bulgaria, Netherlands, and Luxembourg.

Luxembourg in particular presents a compelling growth story, as it plans to fully legalise adult-use recreational cannabis in 2021, which would make it the first European country to do so.

Despite its small size, Luxembourg could in fact be instrumental in encouraging neighbouring countries to implement similar reforms, also known as the neighbour effect.

Growing Pains of a Nascent Industry

Considering each country has its own unique restrictions in place, CBD consumers should educate themselves on the regulations and laws relevant to them.

Despite these often confusing laws and restrictions, it is clear that demand for CBD products is growing exponentially. As a result, the continent may have the potential to overtake North America as the largest CBD market in the world.

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Misc

Global COVID-19 Containment: Confirmed Cases, Updated Daily

This continuously updated chart provides a more complete look at the efficacy of COVID-19 containment strategies.

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Global COVID Containment: Confirmed Cases, Updated Daily

Sometimes, it helps to gain a fresh perspective.

Since the pandemic began, there have been innumerable tracking resources made available online, but rarely do they paint a complete picture of a country’s containment progress.

How Much Progress Is Really Being Made

Featured above, this continuously updated chart from Our World in Data provides a more complete look at the efficacy of COVID-19 containment strategies, sorted by country.

It is a variation of the Epidemic Curve (or “epi curve”), showing confirmed COVID-19 cases per country in relation to their testing rates—what’s revealed is the strength of each country’s containment strategy.

Only a fraction of total cases–those confirmed by a test–is known. This is why we spent recent months building the database and the visualization tool to make this variation of the epidemic curve possible.

— Our World in Data

Why Look at it This Way? Adequate Benchmarking

Countries vary widely in how they monitor and report on COVID-19. Cases in this particular chart were confirmed via laboratory testing, and the data covers 66% of the globe’s population.

Depending on a country’s containment efforts, confirmed cases can differ dramatically from total cases. To get a better idea of that difference, Our World in Data looked closer at the extent of testing. As they report, the World Health Organization considers an adequate benchmark to be 10-30 tests per confirmed case. And for those countries that experience larger outbreaks, there must be more tests conducted per confirmed case.

What the COVID Test-to-Case Ratio Tells Us

  • Line Trajectory: In this chart, rising lines show that the average number of laboratory-confirmed cases has increased over time, and vice versa for falling lines. Beyond flattening the curve, the end game is to have all of those lines reach zero.
  • Blue Lines: The darker the blue line, the more likely that the line is an accurate indicator, as thousands of tests have been administered per confirmed case. The more blue lines this chart shows over time, the better for us all.
  • Red Lines: By contrast, the warmer the color of the line, the fewer tests are being administered per confirmed case, and it is less likely to be an accurate measure of COVID-19 cases. Red lines, for example, indicate that only five tests are conducted for every confirmed case, suggesting that the count is not accurate and that many cases are going unreported.

Epi Curve Scenario Examples

Consider these three scenarios in the diagram above, and hover over countries in the main visualization to compare:

  • Country A: Winning the fight against COVID-19.
    These countries, like New Zealand, have steadily increased the number of tests per confirmed case. Country A administers hundreds or thousands of tests per confirmed case. The likelihood of missed cases is far lower, most cases are accounted for, and they can confidently state they are winning the fight against COVID-19.
  • Country B: A severe, prolonged outbreak.
    In comparison, countries like the U.S. have experienced a steady rise in confirmed cases. They also have lower rates of testing—only five tests per confirmed case. Country B cases are likely to be higher than the number reported, a fact that is especially concerning given that the U.S. has already surpassed the rest of the world’s countries in confirmed cases.
  • Country C: A volatile scenario.
    While confirmed cases decrease, there is much room for doubt. In Country C (South Africa for instance), confirmed cases are decreasing, but very few tests are administered. Unfortunately, this indicates there are many unrepresented cases. Country C probably has a larger problem than its downward trajectory would indicate.

Cases Per Million People

From a different angle, we can see daily new COVID-19 cases per capita. This gives us a better sense of how countries compare in terms of confirmed cases.

Countries like Thailand, New Zealand, and South Korea all show relatively low rates of COVID-19 per capita, as well as high levels of testing. Conversely, countries like Spain and Kuwait reveal high levels of confirmed cases per capita and extremely low testing rates.

Another Perspective for Good Measure

For a holistic view of testing, the map below shows us the daily number of tests for each newly confirmed COVID-19 case, based on a rolling 7-day average.

Countries like Norway, Australia, and Canada reveal strong testing-to-confirmed-case ratios. In contrast, countries like Bolivia and the Philippines reveal the probability of out-of-control outbreaks.

Due to lower levels of testing in relation to confirmed cases, countries in red are more likely to leave cases unreported.

Making Sense of the Unknown

Although charts like these allow us to look at relationships between critical variables, there are no guarantees of what will come of this outbreak or any second waves.

The only certainty right now, is uncertainty. But with visualizations like this one—updated daily—we can at least stay up-to-speed with the knowledge curve.

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