Children definitely seem more susceptible so if yours are starting back at school, you can expect coughs and sneezes over the next few months as infections often circulate in the classroom.
While there is no sure fire way of warding off illness, you can reduce your chances of catching nasty viruses by eating well and building up your immune system.
A healthy, balanced diet is a good start but there are also certain nutrients that will work harder for your immune system. Read on for the best immune system boosting nutrients, the foods that contain them and how you can get them into your diet.
Among the best sources are oranges, kiwis, red and green peppers and broccoli.
One of the best sources is wheat germ, found in cereals, bread and flour. Other good sources are liver, eggs, nuts, sunflower seeds, dark green leafy vegetables, avocado and asparagus.
One of the best sources is oily fish -- salmon, mackerel, sardines and herring. Other sources include soybeans, tofu and flax oil.