Which describes most types of viruses

There are five strains of the Ebola virus, each named after countries and regions in Africa: Zaire, Sudan, Tai Forest, Bundibugyo and Reston. The Zaire Ebola virus is the deadliest, with a mortality rate of 90 percent. It is the strain currently spreading through Guinea, Sierra Leone and Liberia, and beyond.

What is the deadliest virus?

There are five strains of the Ebola virus, each named after countries and regions in Africa: Zaire, Sudan, Tai Forest, Bundibugyo and Reston. The Zaire Ebola virus is the deadliest, with a mortality rate of 90 percent. It is the strain currently spreading through Guinea, Sierra Leone and Liberia, and beyond.

What are two reasons that viruses are considered nonliving?

Viruses are considered non-living because they only exhibit characteristics of living organisms when they are occupying a host organism. A virus consists of a single strand of DNA or RNA enclosed in a protein capsule. They lack the internal structures needed for metabolic processes.

What are some names of helpful viruses?

Viruses have been found useful in the study of many aspects of genetics such as DNA replication, transcription, RNA processing, protein transport and immunology. Viruses are the most efficient means of gene delivery. Different viruses such as adenovirus, retrovirus, vaccinia virus and adeno-associated virus have been used for transgene expression.

What are the three types of viruses?

Well, in general there are three different types of viruses: Worms, Trojan Horses, and regular generic viruses.

What is the deadliest virus in human history?

But the deadliest single virus in human history is the human immunodeficiency virus, or HIV. WHO reports that, since the beginning of this pandemic in the early 1980s, 75 million people have been infected with the HIV virus worldwide, and about 32 million people have died of the disease it causes, acquired immunodeficiency syndrome, or AIDS.

What is deadly Ebola virus?

The deadly virus is named after the Ebola River in the Democratic Republic of the Congo where it was first reported, and is classified as a CDC Biosafety Level 4, a.k.a. BSL-4, making it one of the most dangerous pathogens on the planet. It is thought to spread through contact with bodily secretions of infected people.

What are harmful viruses?

1. The most dangerous virus is the Marburg virus. It is named after a small and idyllic town on the river Lahn – but that has nothing to do with the disease itself. The Marburg virus is a hemorrhagic fever virus. As with Ebola, the Marburg virus causes convulsions and bleeding of mucous membranes,…

What is the most dangerous virus?

The most dangerous virus is the Marburg virus. It is named after a small and idyllic town on the river Lahn – but that has nothing to do with the disease itself.