Flu usually develops more quickly than a cold, with distinguishing symptoms including;
- Sudden fever - a temperature of 38°C (100.4°F) or above.
- Dry, chesty cough.
- Aching muscles.
- Limb or joint pain.
- Diarrhoea or upset stomach.
- Sore throat.
- Runny or blocked nose.
- Loss of appetite.
- Difficulty sleeping.
More top news
Between 4,000 and 8,000 fighters of the so-called Islamic State are still thought to be in the area.
Police are trying to find the driver of the car following the incident in Kingfisher Close, Brownhills.
An unnamed man died at the scene, while a woman was pronounced dead after being taken to St George's Hospital, Tooting, south-west London.