COVID SIM > Outcome
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Use the orange and grey slider above the map to watch the weekly spread of infection. Below the red R is R naught, the number of other people an infected person is likely to infect. Below the graph, find many options for how to view the data behind what is happening as the disease spreads.
R: 1.62
Nice work! When you play your simulation, it will show that you prevented so many infections, hospitalizations, and deaths that no icons remain on the map other than the initial infected. Review the legend to learn how many people were affected by COVID-19.
When you play your simulation, it will show that you prevented so many infections, hospitalizations, and deaths that no icons remain on the map other than the initial infected. Review the legend to learn how many people were affected by COVID-19.
Want to save more lives? Save your simulation for comparison, then click on Run Again With Vaccinations to see how many people you could save by vaccinating. You can also click on Change Safety Measures and Run Again to see how many people you could save by increasing use of masks and distancing.
Numbers are rounded. If the number of people in a group isn’t more than 0.005% of the population, that group will be listed as 0%.
*Only susceptible people can be vaccinated. Those who are exposed, infected, recovered, or dead cannot be vaccinated.
Total people vaccinated can decrease over time, as sometimes immunity is lost after vaccination. This is not due to deaths. In the United States, tens of millions of people have received a COVID-19 vaccine and no one has died due to the vaccine.
**Exposed people include those in the incubation period before they are infectious.
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Click inside the graph to move the dotted line (on the right side of the graph) and see the values for a specific day below.
When the number of people who are vaccinated is higher than the herd immunity line (threshold), the population is protected by vaccine-induced herd immunity.
Your population is not using masks.
Your population is not distancing.
No one in your population was vaccinated.
Full name: Severe acute respiratory syndrome coronavirus 2
COVID-19 is caused by the severe acute respiratory syndrome coronavirus 2. Symptoms include fever or chills, tiredness, body aches, headache, sore throat, loss of taste or smell, and digestive issues. More severe cases can also show trouble breathing, chest pain, confusion, and problems staying awake. Older adults and those with other health problems are at the greatest risk. COVID-19 spreads more easily than flu and can lead to more serious illness in those who catch it. The best ways to fight the spread of the disease include taking precautions when outside of your home by social distancing, wearing a mask, and washing your hands often. Everyone who can should also get vaccinated against the disease to help slow or stop the pandemic.
Starting Population: 12,500,001
| Day | A | S | H | R | D |
| 0 | 0 | 1 | 0 | 0 | 0 |
| 7 | 0 | 0 | 0 | 1 | 0 |
| 14 | 1 | 0 | 0 | 2 | 0 |
| 21 | 1 | 0 | 0 | 3 | 0 |
| 28 | 1 | 0 | 0 | 5 | 0 |
| 35 | 2 | 0 | 0 | 7 | 0 |
| 42 | 3 | 1 | 0 | 11 | 0 |
| 49 | 4 | 1 | 1 | 16 | 0 |
| 56 | 6 | 1 | 1 | 24 | 0 |
| 63 | 8 | 2 | 1 | 35 | 0 |
| 70 | 11 | 2 | 2 | 51 | 0 |
| 77 | 16 | 3 | 3 | 73 | 1 |
| 84 | 23 | 5 | 4 | 105 | 1 |
| 91 | 33 | 7 | 6 | 151 | 1 |
| 98 | 47 | 9 | 8 | 216 | 2 |
| 105 | 68 | 13 | 12 | 310 | 2 |
| 112 | 97 | 19 | 17 | 445 | 3 |
| 119 | 139 | 27 | 24 | 637 | 5 |
| 126 | 199 | 39 | 35 | 913 | 7 |
| 133 | 285 | 56 | 50 | 1,307 | 10 |
| 140 | 407 | 80 | 72 | 1,871 | 14 |
| 147 | 583 | 115 | 103 | 2,679 | 20 |
| 154 | 835 | 165 | 147 | 3,835 | 28 |
| 161 | 1,194 | 236 | 210 | 5,489 | 41 |
| 168 | 1,709 | 337 | 301 | 7,856 | 58 |
| 175 | 2,444 | 482 | 430 | 11,242 | 83 |
| 182 | 3,494 | 690 | 615 | 16,084 | 119 |
| 189 | 4,992 | 985 | 879 | 23,005 | 170 |
| 196 | 7,128 | 1,407 | 1,256 | 32,891 | 243 |
| 203 | 10,165 | 2,006 | 1,792 | 47,000 | 348 |
| 210 | 14,474 | 2,856 | 2,554 | 67,110 | 497 |
| 217 | 20,561 | 4,056 | 3,634 | 95,716 | 709 |
| 224 | 29,113 | 5,740 | 5,157 | 136,303 | 1,010 |
| 231 | 41,033 | 8,085 | 7,290 | 193,669 | 1,437 |
| 238 | 57,458 | 11,312 | 10,253 | 274,319 | 2,039 |
| 245 | 79,731 | 15,678 | 14,313 | 386,857 | 2,883 |
| 252 | 109,254 | 21,447 | 19,778 | 542,259 | 4,055 |
| 259 | 147,157 | 28,821 | 26,949 | 753,796 | 5,663 |
| 266 | 193,692 | 37,814 | 36,029 | 1,036,206 | 7,835 |
| 273 | 247,361 | 48,088 | 46,974 | 1,403,647 | 10,704 |
| 280 | 304,029 | 58,778 | 59,300 | 1,866,101 | 14,387 |
| 287 | 356,621 | 68,465 | 71,919 | 2,424,549 | 18,948 |
| 294 | 396,186 | 75,418 | 83,163 | 3,066,431 | 24,354 |
| 301 | 414,575 | 78,144 | 91,112 | 3,763,998 | 30,446 |
| 308 | 407,693 | 76,017 | 94,205 | 4,477,788 | 36,936 |
| 315 | 377,333 | 69,565 | 91,841 | 5,164,959 | 43,461 |
| 322 | 330,270 | 60,216 | 84,617 | 5,789,023 | 49,652 |
| 329 | 275,343 | 49,686 | 74,033 | 6,326,625 | 55,217 |
| 336 | 220,449 | 39,420 | 61,908 | 6,769,130 | 59,982 |
| 343 | 170,890 | 30,325 | 49,835 | 7,119,888 | 63,895 |
| 350 | 129,208 | 22,788 | 38,890 | 7,389,652 | 66,999 |
| 357 | 95,878 | 16,828 | 29,609 | 7,592,275 | 69,393 |
| 364 | 70,170 | 12,271 | 22,116 | 7,741,704 | 71,199 |
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