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You don’t need the vaccine if you’ve already had chickenpox, since having the disease gives you lifelong immunity. But the virus can return as shingles, for which a separate vaccine is available.

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 ...

The isolation of influenza virus 80 years ago in 1933 very quickly led to the development of the first generation of live-attenuated vaccines. The first inactivated influenza vaccine was ...

Is a hepatitis B vaccine really necessary for every newborn child? Is that really necessary? Do we really need to inoculate against chickenpox? The schedule has ramped up so dramatically since 1991.

Targeting more than one viral protein has shown in the recent past to be effective: one of the mRNA COVID-19 shots was a bivalent vaccine that worked against two different strains of the virus.

Currently have shingles Have had a severe allergic reaction to the shingles vaccine in the past Have tested negative for immunity to the varicella-zoster virus, meaning they never had chickenpox ...

The genetically modified variant of smallpox is so dangerous that, as yet, no vaccination can combat it. The virus was discovered while scientists were working on a lethal form of mousepox.

Abrysvo is also approved for individuals aged 18 to 59 at increased risk. Arexvy and Abrysvo may increase the risk of developing Guillain-Barré Syndrome (GBS) after the vaccine has been administered.

24, 2025 — A therapeutic vaccine targeting human papillomavirus type 16 (HPV16) induced regression in high-grade precancerous cervical lesions, according to the results from a phase II clinical ...