Although the symptoms of baby illnesses can often be vague (such as crying or lethargy), the signs of serious illness are usually easy to spot. (verywellfamily.com)
Thankfully, most common baby illnesses get better without medicines and actually strengthen your baby's immune system. (bounty.com)
1 - being well informed about nutrition, baby safety and the symptoms of baby illnesses; and 2 - having a good relationship with a baby doctor whom you trust. (pregnancy-info.net)