An Overview of the HIV/AIDS Situation in

Tanzania

Dr. G. R. Somi

National AIDS Control Programme

Ministry of Health

Tanzania

REPORTED AIDS CASES, Tanzania, 1983 – 2000,

• 1983 - 3 cases Ndolage hospital, Kagera

• 1984 - also Tabora (2) and Kilimanjaro (1)

• Dec 1985 - 404 cases from 8 of the 20 regions,

322 (80%) from Kagera

• End of 1986 - All 20 regions had reported

• End of 2000 – 130,386, MOH estimates 660,000

cases

REPORTED AIDS CASES, TANZANIA, 2000

• Among 11,673 cases reported, 51% occurred among women

• 70.5% of all cases occurred among persons aged 25 - 49

• 15% of all cases occurred among youths aged 15 – 24

• Highest frequencies by sex were reported among women aged 25-29 and men aged 30–34

• These data suggest that females acquire infection and develop signs and symptoms at an earlier age than men, assuming same incubation period

Figure 2: Distribution of AIDS cases by age and sex, Jan - Dec 2000

0

200

400

600

800

1000

1200

Case

s

Female

Male

REPORTED AIDS CASES BY MODE OF HIV

TRANSMISSION, TANZANIA, 1999

82%

6%

1%11%

Heterosexual

Mother-to-child

Blood transfussion

Not indicated

TREND OF HIV PREVALENCE AMONG ANC ATTENDEES AGED 14-24 IN MBEYA AND MOSHI

RURAL DISTRICTS 1990-2000

0

5

10

15

20

25

1990

1991

1992

1993

1994

1995

1996

1997

1998

1999

2000

Pre

vale

nce

%

Mbeya rural

Moshi rural

TREND OF HIV PREVALENCE AMONG ANC ATTENDEES AGED 14-24 IN MBEYA AND BUKOBA

URBAN DISTRICTS, 1990-2000

21.8

16.1

9.46.9

11.1

0

5

10

15

20

25

1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000

Pre

vale

nce

%

Mbeya urban Bukoba urban

TREND OF HIV PREVALENCE AMONG ANC ATTENDEES AGED 14-24 IN MBEYA BORDER AND

ROADSIDE SITES, 1990-2000

05

10152025303540

Prev

alen

ce %

Mbeya roadside

Mbeya border

ORPHANS IN TANZANIA 1991, 1996 AND 1999

5.1

2.5

0.5

6.2

2.9

0.6

6.4

3.5

1.1

0

1

2

3

4

5

6

7

Father died Mother died Both died

Perc

ent o

f chi

ldre

n un

der 1

5

1991

1996

1999

SUMMARY

• Prevalence among pregnant women has remained above 10% in all social geographical areas being tracked except Bukoba urban

• Rates vary by socio-geographic settings• Prevalence steady or fluctuating in the majority

of sites • Trend of children whose parents have died is

on increase• While these data has been useful in

characterising early epidemic, efforts are ongoing to improve the reliability of the national surveillance system

DATA SOURCES

• HOSPITAL AIDS CASES

– All hospitals

• ANC ATTENDEES

– ANCs selected by convenience

• BLOOD DONORS

– All hospitals providing BT services

• RESEARCH

An Overview of the HIV/AIDS Situation in

Tanzania

Dr. G. R. Somi

National AIDS Control Programme

Ministry of Health

Tanzania