People who got the vaccines at the same time had roughly the same immune response as those who got them separately, with few serious side effects.
Adults in their 30s with underlying conditions face up to a 31% increased risk of shingles.
The risk reductions were on par with what would be expected from quitting smoking.
Among eligible adults, shingles vaccination reduced new mild cognitive impairment diagnoses by 1.5 percentage points.
The effectiveness against any herpes zoster outcome was 56% and was similar in patients with healthy immune systems (57%) and immunocompromised people (54%).
The CDC recommends that toddlers receive the varicella (chickenpox) vaccine as a standalone immunization.
In another vote, ACIP reversed itself and removed the MMRV vaccine from the Vaccines for Children program.
The committee removes a long-standing ACIP recommendation that said parents may choose the MMRV vaccine for kids 12 to 47 months old.
The affected district in Guangdong province has reported at least 478 chikungunya cases.
Effectiveness against both herpes zoster and postherpetic neuralgia remained stable for at least 4 years after vaccination.
