- All colds and most coughs and sore throats are caused by viruses and generally these will get better on their own.
- Antibiotics do not work against infections caused by viruses, the NHS warn.
- Viral infections are also much more common than bacterial infections.
More top news
TV favourite Cilla Black, who has died aged 72, gave viewers a "lorra, lorra laughs" during her long career.
Some rain in the north. Very warm sunshine in the south
Blind Date and Surprise Surprise star Cilla Black,72, has died, according to reports.