Human<unk>  can remain activated for up to three hours outside of a human host. Once the virus is contracted, a person is most contagious within the first three days. Preventative measures such as regular vigorous handwashing with soap and water may aid in avoiding infection. Avoiding touching the mouth, eyes, and nose, the most common entry points for<unk>  may also aid in prevention. Droplet precautions, which take the form of a surgical mask and gloves, are the method used in major hospitals.
Rhinovirus
Echovirus
Arbovirus
Respiratory syncytial virus
Human parainfluenza viruses
Poliovirus
Influenza B virus
Influenza A virus