Explain how malaria is transmitted to humans.
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Answer:
Malaria is transmitted by infected mosquitoes. When you get bitten by a mosquito which carries the malaria parasite, the parasite enters your bloodstream. It is then carried to your liver, where it multiplies.
If a mosquito bites you while you have malaria, it will get infected and it can then transmit the parasite to the next person it bites.
In order to prevent catching the disease you need to avoid insect bites and take antimalarial tablets.
You can get malaria more than once. Even if you have had the disease in the past you still need to take precautions when you travel to a malaria area.
People who grow up in a risk area do develop some level of immunity and they are less likely to contract malaria as they grow older. The majority of malaria cases and fatalities occur in children, who are particularly at risk.
It is very common for people who have spent their childhood in a region where malaria is prevalent to believe that they are immune and that they do not need to protect themselves when they go back to visit. This is incorrect – it is dangerous to travel to a malaria area without protection, even if you used to live there. Malaria can be very dangerous and it is important that you protect yourself.
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