## COVID-19 Continental Numbers of Infected People

fit with advanced Gompertz function

## with Advanced Gompertz Function

All the fits of the data of individual areas are created fully automatically. You may check on the graph (click on the image) if the fit has a sufficient quality, matching the data points as best as possible. There may be some cases, where by too unexpected real data, the fit is not giving a good forecast. So please use common sense to evaluate the data.

The table shows from the left: The maximum last cumulative number, the expected maximum number by fit, graph and location, the T_{2} also known as doubling time of the exponential growth, the day of turning point of the function.

The turning point is important, showing the turn from purely exponential growth to the process of fading out by limited number of victims.

In the middle of the graph is written the doubling time, that describes the time it needs to double the number of cases. This number is calculated using the logistic function and describes the growth before the turning point, where numbers rise quickly. In a simple picture, the T_{2} of the Gompertz function describes the later part and the doubling time of the logisitic the first part.

Color code on numbers of infected people: Below 10000 , between 10000 and 49999, between 50000 and 49999, between 100000 and 499999, between 500000 and 999999, above 1000000.

Color code on locations describe percentages of last number and expected N_{max}:
Above 95%,
between 90% and 95%,
between 80% and 89%,
between 70% and 79%,
between 60% and 69%,
when number of cases is above 50 and N_{max} is below 50% or the doubling time is below 3.5 days!
Above 130%, a reoccurrence of an outbreak is indicated.

The location color code tells you, how well the Covid-19 outbreak has faded out and is under control (greenish). In red and magenta the areas are on fast rise in numbers. The color code in numbers tells you how severe the outbreak was in that region.

Applied maths is explained here.

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Actualisation date: Sat Aug 14 04:24:29 UTC 2021

N_{current}location |
N_{max} (err) |
cumulative_inf. | infected_daily | T_{2} (err) |
d_{turning_point} (err) |

205414138 World total | 242083961 (±0.5%) | 90.456 (±0.4%) | 381.31 (±0.2%) | ||

205307790 World without China | 241809542 (±0.5%) | 90.372 (±0.4%) | 381.31 (±0.2%) | ||

43452666 North America | 43975034 (±0.5%) | 68.845 (±0.8%) | 321.64 (±0.3%) | ||

35908425 South Asia | 119828597 (±11.9%) | 148.072 (±3.9%) | 618.91 (±4.1%) | ||

35797936 Europe | 37009595 (±0.4%) | 66.007 (±0.6%) | 353.28 (±0.2%) | ||

35193765 South America | 54076716 (±2.0%) | 112.716 (±1.2%) | 440.05 (±1.0%) | ||

16841324 Middle East | 22224047 (±1.1%) | 98.472 (±0.8%) | 420.35 (±0.5%) | ||

9254814 East Europe | 9741255 (±0.6%) | 79.508 (±0.7%) | 346.95 (±0.3%) | ||

7828131 South-East Asia | 129591992 (±22.9%) | 207.101 (±3.6%) | 975.37 (±4.5%) | ||

7142919 Africa | 7625683 (±1.6%) | 95.499 (±1.4%) | 371.49 (±0.9%) | ||

1611087 East Asia | 6783858 (±6.5%) | 170.509 (±1.7%) | 710.16 (±2.0%) | ||

106348 China total | 93869 (±0.4%) | 7.732 (±4.0%) | 38.39 (±1.5%) | ||

97732 Australia - Oceania | 2416367 (±122.9%) | 306.552 (±17.7%) | 1335.71 (±25.8%) |

For countries in this list, the number of infected people must be at minimum 13 people. In the list of numbers of a country, there must be at least 7 different numbers. The turning point is guessed by using half the maximum number and then looks for the first value above that value. If the turning point is at the last value, the fit is omitted.