Trek Guide
A yellow fever certificate is valid for life, but only 10 days after vaccination, and it needs a designated centre's stamp. The CDC sets out the…
By Anjali Shrestha · Oct 4, 2026
A yellow fever certificate, the ICVP card, is valid for life once it is 10 days old, and it must bear the stamp of a designated vaccination centre as well as a signature. The CDC Yellow Book sets out those rules, and it also says the vaccine is recommended…
Travel Himalaya Nepal · News
The CDC recommends the vaccine for people aged nine months or older who live in, or travel to, areas with a risk of yellow fever transmission in Africa or South America. The International Health Regulations allow a country to require proof of vaccination on…
Travel Himalaya Nepal · News
A completed certificate counts from 10 days after the vaccine, and under the health rules it is valid for the lifetime of the person vaccinated. The booster requirement was removed from the International Health Regulations in July 2016, so an older card does…
Travel Himalaya Nepal · News
The CDC says the ICVP must have an original healthcare provider signature and the official stamp of a designated vaccination centre, and a signature stamp on its own is insufficient. Ask for both at the appointment, and check the details before you leave the…
Travel Himalaya Nepal · News
The list changes, so check the destination and the country you arrive from rather than relying on a list from a blog. The WHO publishes a country-by-country list of yellow fever requirements; the edition we could read is the 2020 version, so treat it as a…
Travel Himalaya Nepal · News
Book the vaccine at least 10 days before you need the certificate, and keep the original card with your passport. If you are travelling to Nepal, the vaccines that matter for a trek are covered in our Nepal travel health guide , and the wider travel health…
Travel Himalaya Nepal · News
The certificate is valid beginning 10 days after the primary vaccination, according to the CDC Yellow Book. Under the International Health Regulations, a completed ICVP is valid for the lifetime of the vaccinee, since July 2016. No. The CDC says the ICVP…
Travel Himalaya Nepal · News
The vaccines and checks for a Nepal trip. The checks to make before you fly. The three checks before you fly. Which destinations apply it, and why. Sources: CDC Yellow Book, Yellow Fever, updated 23 April 2025 (reviewed September 2024); CDC, International…
Travel Himalaya Nepal · News
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