Vaccines that prevent smallpox and mpox come in two varieties. One uses a single shot of a live virus but carries the risk of serious side effects; the other, which is newer and made with ...

The approved live-virus smallpox vaccine includes the vaccinia virus, a less harmful member of the Orthopoxvirus family that ...

The varicella vaccine is highly effective, making chickenpox less common than it once was. After you get chickenpox, the ...

The incidence of chickenpox has declined with widespread use of live-attenuated varicella vaccine in infants (Journal Watch Feb 22 2002). To assess the vaccine's effectiveness, researchers ...

Vaccinia: Virus in the vaccine used to prevent smallpox and other orthopoxvirus infections. Vaccinial encephalitis: Serious adverse effect of smallpox vaccine, characterized by encephalitic ...

La vaccination preventive contre la tuberculose par le BCG (Masson, Paris, 1927). Maassab, H.F. & DeBorde, D.C. Development and characterization of cold-adapted viruses for use as live virus vaccines.

I was tested in 2022 for varicella-zoster virus antibodies, and the results were negative. My current physician wants me to get the shingles vaccine, even though I can’t get shingles.

Every single second around the world, someone is infected with genital herpes. Currently, there is no cure. A potential game ...

I was tested in 2022 for varicella-zoster virus antibodies, and the results were negative. My current physician wants me to get the shingles vaccine, even though I can’t get shingles.

The vaccine is only available on the NHS for people at high risk of spreading the virus to those with weakened immune systems. The NHS says a routine childhood chickenpox vaccine would raise the ...

DEAR DR. ROACH: A few months ago, you wrote about the benefits of the shingles vaccine. At 63, I’m one of the 1% who has never had, nor been exposed to, chicken pox. I was tested in 2022 for varicella ...