Coronavirus: who’s most at risk, what we can do and will we see a vaccine soon?

Dr Tom Wingfield of Liverpool School of Tropical Medicine answers our questions on Covid-19
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What is the best way to strengthen the immune system?

The answer to this question is straightforward: the normal approach to healthy living. Have a balanced diet, try to get as much sleep as you can, exercise, don't overwork. If you smoke, try to give up and reduce your intake of alcohol and other drugs.

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