Malarial (adjective)

1. Relating to or caused by malaria, a parasitic disease spread by mosquitoes.
2. Having the symptoms of malaria, such as fever, chills, and fatigue.

Origin:

The word malarial comes from the latin word "malaria", meaning bad air, which was originally used to describe the swampy areas where the disease was believed to originate.

Examples:

1. The doctor diagnosed the patient with a severe case of malarial fever after traveling to a tropical country.
2. The scientist was studying the genetic basis of malarial resistance in populations living in endemic regions.
3. The malaria vaccine has been successful in reducing the incidence of malarial infections in many countries.
4. The malarial parasite is transmitted from person to person through the bite of infected mosquitoes.
5. The public health campaign aimed to educate people about the risks of malarial infection and how to prevent it.