When a rural worker was readmitted to an ED in the Canary Islands, Spain, four days after being discharged with flu-like symptoms, doctors were suspicious for SARS-Cov-2 infection. But all that coughs is not COVID.

A chest X-ray (pictured) revealed bilateral, peripheral and alveolar-interstitial opacities, mostly in the lung bases and right lung, which in the context of the current pandemic, looked to be compatible with COVID-19 infection.

However, a real-time PCR test for SARS-COV2 was negative.

In addition to his flu symptoms, the 34-year-old also presented with haemoptysis, jaundice and acute renal failure.