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Simply because their bodies haven't been exposed to illnesses or viruses etc. The body needs to actually 'catch' an illness for their immune system to develop anti-bodies. Childhood vaccinations give the body a weak version of the virus they're being protected against - so the body makes antibodies to fight it.
What else can I help you with?
Are child immune systems weaker?
Depression lowers everyone's immunity. Everything is depressed, not just the mood.
Do people with asthma have weaker immune systems?
yes, because people with athsma have trouble breathing so their immune system gets weaker.
Why are babies vaccinated?
Babies are vaccinated to protect against common diseases until their immune systems are developed.
can alcohol cause coronavirus?
Alcohol cannot directly cause coronavirus, but drinking in excess can weaken your immune system. Weaker immune systems are more likely to catch a virus while being spread.
Why does lack of sleep cause cancer?
With our immune systems getting weaker viruses that enter your body cannot be fought off and the result to that is a possibility for cancer.
How does immune deficiency diseases affect victims?
Their immune system becomes weaker.
What is bad about the flu?
Influenza, or the flu, is a very serious disease. It can kill people, especially very old or very young people who have weaker immune systems.
Why has TB become a major cause of death with people who have HIV?
The reason why TB has become a major cause of death with people who have HIV is because such people already have a compromised immune system, making their body weaker and unable to fight off the disease.
Why do babies need a good diet?
Babies have low immune systems, so they need a good diet or breastmilk, or if you can't do that then formula. Their bodies arent fully developed, so they need the extra care.
What are the potential consequences of inbreeding ducks?
Inbreeding ducks can lead to genetic disorders, reduced fertility, and weaker immune systems. It can also decrease the overall health and lifespan of the duck population.
Why do the elderly have weak immune systems?
Babies immune systems are not fully developed until they are about 1and half. Older people's immune systems are beginning to lose their effectiveness because their immune system is beginning to break down.
Is food colouring safe for babies?
Yes, absolutely, in fact it is very good for their immune systems. I am a doctor, and this may be surprising but food coloring is very beneficial for their health.
