In compliance with a recommendation from the Ministry of Health, people living in São Paulo and who in the year 2018 took a fractional dose of the vaccine against yellow fever should look for a Basic Health Unit (UBS) to receive the standard dose and complete the vaccination schedule.
Vaccination with a fractional dose, which corresponded to one-fifth of the standard dose, was exceptionally adopted in 2018 in São Paulo due to a public health emergency related to the disease. It has limited validity against the disease, estimated at eight years.
This strategy was used for immediate case control, however, it does not replace routine vaccination, which uses the standard dose vaccine. Those who received the standard dose vaccine are immunized against the disease for life and do not need to take a new dose.
Anyone who took the fractional dose in 2018 should look for a Basic Health Unit (UBS) close to their home. This Saturday (24)these units will be open from 8am to 5pm on D-Day of Immunization against yellow fever and measles.
Since January 12th, the State Department of Health of São Paulo has been expanding the supply of vaccines against measles and yellow fever, with doses administered in subway and train stations, bus terminals and shopping centers.
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Yellow fever
Yellow fever is an acute febrile infectious disease that is caused by a virus. This virus is transmitted by the bite of a wild mosquito, which lives in forest areas, and there is no direct transmission from person to person. An indicator of the presence of these transmitting mosquitoes is the death of monkeys, which also suffer from high mortality rates when infected. Therefore, the sighting of dead monkeys must be reported to the municipal health teams.
The initial symptoms of yellow fever are fever, chills, severe headache, back pain, body aches, nausea and vomiting, fatigue and weakness.
The disease can be prevented through a vaccine, which is available free of charge through the Unified Health System (SUS). Since April 2017, Brazil has adopted a vaccination schedule of just one dose for a lifetime, a measure that is in accordance with the recommendations of the World Health Organization (WHO).
