Chest X ray
It doesn't have any sensitivity or specificity in diagnosing COVID, but can lead to diagnosis with strong suspicion and further referral for PCR.
HRCT Thorax
Multiple radiological organizations and learned societies have stated that CT should not be relied upon as a diagnostic/screening tool for COVID-19. On 16 March 2020, an American-Singaporean panel published that CT findings were not part of the diagnostic criteria for COVID-19. However, CT findings have been used controversially as a surrogate diagnostic test by some.
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