A number of insects harmful to human and animal health. 2/3 insect-mediated human infectious diseases. Flies and mosquitoes two types of insects is the biggest threat to human health.
Many insect harm human and animal health. 2/3 human infectious insect medium. Flies and mosquitoes are the greatest threat to human health two types of insects.
Many insects endanger human and animal health. Human infectious diseases have 2/3 as insect vectors. Flies and mosquitoes are the two most common threats to human health.