Question

Find the odd one out: cold, AIDS, Plague, malaria, measles

Answer 1

Hint: There are many diseases caused by different pathogens. Pathogens are diseases causing organisms. Probes are the inactive microorganisms that activate in their favorable conditions. They start their function in the host body. The worst are the viruses as they take up the host machinery to replicate and are uncontrollable.

Complete step by step answer:
The entry of any foreign material in the body can cause disease. The various microbes can enter our body and cause diseases. The pathogen may be bacteria, viruses, helminths, protozoans, fungi, etc. Some of these can be fatal if not treated on time. Some diseases that are communicable to others via contact, air, water, aerosol, sharing contaminated objects are communicable diseases. They can virally spread like coronavirus.
-Cold: It is a common viral infection of the nose and throat. In contrast to the flu, the common cold can be caused by many different types of viruses. The condition is generally harmless and symptoms usually resolve within two weeks. It spreads easily through infected persons contaminated objects and aerosols.
-AIDS: Acquired immunodeficiency syndrome usually caused due to the HIV virus. This virus can be transmitted through infected blood, semen, sexual content, infected medical instruments, etc.
-Plague: The plague is a rare but serious bacterial infection that is transmitted by fleas. Bubonic plague is caused by the bacteria Yersinia pestis. It can spread through contact with infected fleas.
-Malaria: Malaria is a disease which is caused by the plasmodium parasite. It is transmitted by the bite of female mosquitoes. There are five types of malaria caused by different species of plasmodium. In which Plasmodium falciparum caused fatal malaria in which recurring fever appears.
-Measles: Measles are a viral infection that is serious for small children but it is easily preventable by a vaccine. The disease spreads through the air by respiratory droplets produced by coughing or sneezing. Malaria disease caused by a plasmodium parasite but other diseases caused by viruses.
Thus, the answer is 'Malaria'.

Note: The viruses do not belong to any phylum. They do not have cells to carry out their functionality. They are not dead either as they take up the host mechanism.