May 2011
Summary of cases Luwero Other Districts
National
Total
18th May 2011
Hospital Kampala Bugiri
1. Epidemiology/Laboratory( Situation in the field):
Cases
•
The putative index patient was a 12 year old female from Nakisamata village,
Ngalonkalu Parish, Zirobwe sub-county, Luwero district who passed away on
6th May 2011 following a febrile hemorrhagic illness that lasted six days.
Laboratory investigations done through both real time PCR testing and
Antigen detection by ELISA confirmed Sudan Ebola virus (SEBOV).
•
Three of the contacts to the putative index patient developed and are being
observed.
•
One of these contacts had a positive blood slide for malaria and a negative
PCR test for Ebola. The blood samples for the other two contacts are being
analyzed at UVRI. Two contacts are reported to be improving on treatment
with antimalarials.
•
Two alert cases have been reported as indicated below:
-
The first alert case was a soldier at Bombo military hospital on ARVs and
anti-TB treatment who developed bleeding while on admission and died on
14th May 2011. Laboratory investigations on this case revealed a
thrombocytopenia with a negative test result for Ebola by PCR.
-
The second alert case has been reported by Mulago hospital today(17TH
May 2011). The patient is a 29 year old male from Muwafu zone, Makindye
Division, Kampala. He was admitted on 16 May 2011 with history of
vomiting blood and bloody diarrhea for one day without fever or headache.
He gave no history of travel or contact with a patient in the recent past.
The patient is improving on rehydration and ciprofloxacin. The blood
sample obtained tested negative for Ebola by PCR and ELISA Antigen
testing.
•
One suspect case was admitted in Bombo GMH in the evening of
17/May//2011; a 10 year old girl from Ngalonkalu village, Zirobwe sub-county
who presented with four days history of fever, vomiting with epistaxis and
abdominal pain. The child has been isolated and blood drawn for
investigations.
•
A new suspect case has been reported in an 8 year old male from Busoga
village, Buwunga sub-county, Bugiri district who presented early today with a
three days history of fever, measles like rash, bleeding gums and epistaxis.
The hospital has requested to be supported by the national rapid response
team since they don’t have anticeptics, gloves, or PPEs.
Contact Tracing
•
A total of 25 contacts are being followed up in Luwero; 12 in Bombo General
Military Hospital; 3 in Kisakye clinic, Zirobwe Town; 9 in Nakisamata village,
Zirobwe sub-county; and 1 in Negulumye village, Wakiso district.
•
All these contacts were followed up yesterday (17th May 2011) with just three
of them manifesting with fever and are reported to be improving on
antimalarials.
•
None of the febrile contacts has tested positive for Ebola.
Specimen collection
•
Seven blood samples have been obtained.
•
Only one 14% (1/7) sample has tested positive for Sudan Ebola virus
(SEBOV) through both real time PCR testing and Antigen detection by ELISA.
•
All these samples have been tested at Uganda Virus Institute, Entebbe and
aliquots have been shipped to CDC Atlanta, USA.
Continued investigation
•
Further investigations into potential source of the current outbreak were
conducted by a joint MoH, WHO, CDC team in Nakisamatta village:
o
Household bats were identified in the house of the putative index case.
o
Bats were also identified in the neighboring Ngalonkalu Primary school and
neighboring houses that are under construction.
o
The team visited the area where the family of the putative index case went
for gardening and collect firewood and observed that the area was close to
thickets that harbor monkeys.
o
An ecological team from CDC is in the country and has been engaged to
trap bats in the area. The locals have been alerted to keep away from the
infested structures.
Continued surveillance
•
All the listed contacts are being monitored on a daily basis to ensure that they
are isolated as soon as they manifest with symptoms.
•
All the districts on the contact pathway have been put on high alert
•
Surveillance tools based on Ebola experience have been adapted and will be
distributed to all affected districts starting today. These are: Case definitions,
Case reporting forms and contact tracing sheets and follow up forms..