What does the high rate of positivity for Corona virus mean...

What does the high rate of positivity for Corona virus mean...
What does the high rate of positivity for Corona virus mean...
, United Arab Emirates (CNN) – In light of the outbreak of the new Corona virus around the world, you may hear different terms, such as “rate of positivity” or “rate of positivity”, to describe the severity of the epidemic in your area.

These terms do not reflect the number of infected cases, but rather the percentage of all Corona virus tests that have been conducted, and people have shown infection with “Covid-19”.

Here’s what you need to know about positive percentage rates, and what they mean for your community.

What is a positive percentage?

There are many ways to calculate a positive percentage. For example, the US Centers for Disease Control and Prevention calculates it by adding positive tests, dividing them by the number of negative and positive tests together, and then multiplying the result by 100 to obtain a percentage.

And if the positive percentage is more than 50% in an area, doctors will only have to run two tests to find one case. And if the region’s positivity rate is less than 1%, you’ll have to run more than 100 tests to find one.

What does a positive percentage not tell you?

When the percentage of positive rate in your area is 58%, it does not mean that 58% of the population has COVID-19. However, this means that 58% of the tested population have already had COVID-19.

Chances are, the actual case count in your area is higher than the positive rate number.

However, public health leaders can use this number to gauge the extent of the disease outbreak in the region, and to know the extent to which they need to apply more precautionary measures, to slow the spread.

It is mentioned, that there is no uniform positive rate, at which the complete closure and others are applied.

For example, schools follow a distance education strategy, if the positive rate exceeds 3% in New York, while Iowa takes this decision when the positive rate reaches 15%.

Why should you care about positive percentages?

The scientist William Haseltin, who has authored many books on infectious diseases, says that people should know the positive rate in their region, so that they know the risk of exposure to “Covid-19”.

He added, “If the number of cases is low in your area, put on a face mask, and you are likely to be fine.”

Dr. Amish Adalja, a fellow at the Infectious Diseases Association of America and a senior researcher at the Johns Hopkins Center for Health Security, explained that when the positive rate of “Covid-19” is high in your area, the probability that you will encounter someone with the virus in the grocery store, for example, , It is much higher than if the rate is low in your area.

And the percentage rate should be one of the factors that determines whether you should move out of the house.

“If you suffer from a condition, or live with the elderly, or you are in an area that does not follow the necessary precautions, you have to take all of that into consideration, along with the positive percentage,” Hasseltine said, adding that “it is very simple … but it is.” Something everyone should think of now. “

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