Tim Spector

Those who are infected with Omicron may develop a hoarse voice (Photo: Shutterstock)

The first warning symptom of Omicron you can hear before feeling ill

The UKHSA has projected that should Omicron continue spreading at its current rate, there could be between 80,000 to 90,000 UK cases per day by the end of December (image: Getty Images)

UK Omicron Covid cases ‘doubling every three days’ top scientists say

Previous Covid-19 infection gives double jabbed people greater protection, new research suggests (Photo: Shutterstock)

Covid vaccination on top of past coronavirus infection 'gives greater protection...

Covid protection could fall below 50 per cent for the elderly and healthcare workers by winter (Photo: Getty Images)

Protection from Covid vaccines starts to wane within 6 months