Germ season has been going great guns for months now but that doesn’t mean the illnesses are abating. Oh no, if anything, post-Christmas we seem to be sicker than ever.

With the kids heading back to school and nursery this week, it’s likely we’ll see another resurgence of bugs doing the rounds – so you might want to take heed of some expert health advice that’s been doing the rounds on social media.

Dr Meghan Martin, an emergency medicine physician at Johns Hopkins All Children’s Hospital, shared a video on Instagram discussing how salt water nasal drops or sprays could reduce the risk of kids spreading their colds to other family members.

The inexpensive remedy – which can be found in most supermarkets and drugstores – can also reduce the length of........

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