Answer: Chronic migraine is defined as having at least 15 headache days a month, with at least 8 days of having headaches with migraine features, for more than 3 months.
Explanation:
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The specimens are sputum, throat .
What are sputum and throat ?
Sputum is to test for bacteria or another pathogen which can cause in your lungs or the respiratory tracts .
Throat is the process in which rubbing the sterile swab on tip on the surface of tonsils .
To preserve these specimen and minimize the bacterial growth they should need to transfer .
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