Requirement of Yellow Fever Vaccination Before International Travel
INTRODUCTION: Yellow fever is a viral hemorrhagic fever caused by a virus from family Flaviviridae.It occurs only in sub-Saharan Africa and tropical South America where it is endemic and intermittently epidemic.It strikes an estimated 200000 persons worldwide each year causes an estimated 30000 deaths.The case fatality rate of this disease is more than 20% and infants and children are at greatest risk of infection.International travel requirements include necessary vaccination against yellow fever.
VACCINATION: 17 D vaccine is a live attenuated vaccine which can be given for prevention of yellow fever.International regulations require proof of vaccination for travel to and from certain countries.Vaccinees should receive a completed International certificate of vaccination,signed and validated with Centre's stamp where the vaccine was given.For purpose of international travel,vaccines produced by different manufacturers worldwide must be approved by WHO and administered at an approved yellow fever vaccination Centre.
INTERNATIONAL TRAVEL TO AND FROM INDIA: India is a yellow fever receptive area.Therefore an international certificate of vaccination is required against yellow fever from travelers coming from infected areas.
(a)FOR ENTRY INTO INDIA- Anyone (except infants upto age of six months) arriving by air or sea without a certificate is detained in isolation for upto six days if that person-(i)arrives within six days of departure from an infected area,or (ii)has been in such an area in transit or (iii)has come or a ship that started from or touched at any port in a yellow fever infected area upto 30 days before its arrival in India,unless such a ship has been disinfected in accordance with the procedure laid down by WHO,(iv)has come by an aircraft,which has been in an infected areas and has not been disinfected in accordance with the prevalent norms or that recommended by WHO.
(b)FOR LEAVING INDIA- There is no health check requirement by Govt of India on passengers leaving India.
WHO SHOULD NOT RECEIVE YELLOW FEVER VACCINE?
(i) Infants under six months of age,
(iii)Persons hypersensitive to eggs,
(iv)Persons with an immunosuppressed condition.
REFERENCE CENTRE FOR YELLOW FEVER IN INDIA:
(i) NIV, Pune
(ii) CRI, Kasauli