Children does not have a complete immune system before age of five. During their first five years of life, they get their immunity from external e.g. Breastmilk, etc. Falling sick is a way they build their own immune system, it will get better when they are older, looking at the bright side. I know it is hard to work and care for a kid at the same especially you does not have any external help. I been through the same too for my firstborn. How about looking for a 1 to 1 nanny near your house if you are really worry and start the cc when he/she is slightly older?
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