Questions with the keyword 'virus'

• How do scientists know how to make a flu vaccine if viruses can be different every year? by meg123 to Amy, Karen, Sarah, Will Comments: (No comments so far )
• What is it that makes diseases caused by viruses and bacteria hard to treat? by meg123 to Amy, Karen, Sarah, Vijay, Will Comments: (So far, one comment )
• What’s the difference between bacteria and virus? by meg123 and 1 other. to Amy, Karen, Sarah, Vijay, Will Comments: (So far, one comment )