Questions with the keyword 'virus'

• How can scientists make a vaccines if viruses are changing? by kitkat to Hayley, Anna Comments: (So far, one comment )
• If bacteria and viruses are mutating, how do scientists know what to put in the medicine if its forever changing? by 782yttc52 to Anna, Hayley, Iain, Rebecca Comments: (No comments so far )
• Do you know anyone that have tryed to make the Tvirus or have you tryed to make the Tvirus (Zomibes) by Someone to Anna, Hayley, Iain, Rebecca Comments: (No comments so far )