'One big wave' – why the Covid-19 second wave may not exist

With no evidence of seasonal variations, the WHO warns the initial coronavirus pandemic is continuing and accelerating

• Coronavirus - latest updates
• See all our coronavirus coverage

The Covid-19 pandemic is currently unfolding in one big wave" with no evidence that it follows seasonal variations common to influenza and other coronaviruses, such as the common cold, the World Health Organization has warned.

Amid continued debates over what constitutes a second wave, a resurgence or seasonal return of the disease, Margaret Harris, a WHO spokesperson, insisted that these discussions are not a helpful way to understand the spread of the disease.