Is there any general rule to say this must be RNA virus infection and the other one DNA virus infection? Example of a case: 5 children develop a bright red rash on the face and turns violet after a ...
If a person contracts a virus, viral conjunctivitis for example, is it possible for the individual to become "reinfected" with the exact same strain of the virus once the person has it treated and the ...
Is every component of a virus absolutely essential for its infection and replication in a host cell? Or can you just have parts of it to cause infection?
What do the strain designations for flu mean? For example avian flu is classified as H5N1, what do the letters H, ...