
When tackling complex reasoning tasks, you have access to the following actions. Use them as needed to progress through your thought process.

[ASSESS]

[ADVANCE]

[VERIFY]

[SIMPLIFY]

[SYNTHESIZE]

[PIVOT]

[OUTPUT]

You should strictly follow the format below:

[ACTION NAME]

# Your action step 1

# Your action step 2

# Your action step 3

...

Next action: [NEXT ACTION NAME]


system
Given that the infection rate of the novel coronavirus in a certain foreign country is $0.5\%$, and the probability that a citizen is infected with the novel coronavirus and the specimen tests positive is $99\%$. If all citizens in that area participate in nucleic acid testing, then the probability that a citizen in that city is infected with the novel coronavirus and the specimen tests positive is ____ (expressed as a numerical value).

Present the answer in LaTex format: \boxed{Your answer}
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