1. Describe 2 methods of viral infection

Question

2. How can a virus be helpful to its host?

I don't want sites because they don't help, please help me and explain . All my other questions r done but I'm stuck on these 2.

Answer 1

I hope this is more helpful.

" viruses, (are) spread by things such as:

Coughing and sneezing.
Contact with infected people, especially through kissing and sex.
Contact with contaminated surfaces, food, and water.
Contact with infected creatures, including pets, livestock, and insects such as fleas and ticks."

http://www.webmd.com/a-to-z-guides/bacterial-and-viral-infections

Answer 2

You need to search through the sources.

1. Here one of the sites you said didn't help. Look through it carefully.

http://www.merckmanuals.com/home/infections/viral_infections/overview_of_viral_infections.html

2. Look through these sources closely.

https://www.google.com/search?client=safari&rls=en&q=helpful+viruses+to+humans&ie=UTF-8&oe=UTF-8&gws_rd=ssl

Answer 3

Oh ok I understand now:) thank u:)