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Option 1 : Malaria
- Malaria may be caused by stagnant water.
- Water pollution can often lead to increased breeding of mosquitoes that carry parasites.
- Polio is caused by a virus known as poliovirus and it can cause paralysis.
- Pneumonia is a lung disease which happens because of bacterial or viral infections.
- Chicken Pox is caused by varicella-zoster virus. The disease is also known as Varicella.
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