Hon'ble Chief Minister, UP
State Outbreak Reporting System ( सोर्स )
Directorate of Medical & Health, Uttar Pradesh

Hon'ble Health Minister, UP
Incubation Periods

SN

Disease

Incubation Period

1

Chicken Pox

Usually 14-16 days (Range 10-21 days)

2

Measles

Commonly 10 days from exposure to onset of fever &14 days to appearance of rash.

3

Influenza

18-72 hours

4

Diphtheria

2-6 days, occasionaly longer

5

Pertussis/Whooping Cough

7-14 days (usually) but not more than 3 weeks

6

Meningococcal Meningitis

Usually 3-4 days (Range: 2-10 days)

7

Salmonella Food Poisoning

12-24 hours (commonly)

8

Staphylococcal Food Poisoning

1-6 hours

9

Botulism Food Poisoning

12-36 hours

10

Cl. Perfringence food poisonong

6-24 hours, with a peak from 10-14 hours

11

B. cereus food poisoning: Emetic form

1-6 hours

12

B. cereus food poisoning: Diarrhoeal form

12-24 hours

13

Dengue fever

commonly 5-6 days (Range 3-10 days)

14

Falciparum Malaria

12 days (Range: 9-14 days)

15

Vivax Malaria

14 days (Range: 8-17 days)

16

Japanes Encephalitis (J.E.)

5-15 days

17

Chikungunya Fever

4-7 days

18

Scrub typhus

10-12 days (Range 6-21 days)

19

Leishmaniasis/Kala-azar

Commonly 1-4 months (Range: 10 days-2 years)

20

Rubella

Average 18 days (Range: 2-3 weeks)

21

Mumps

Average 18 days (Range: 2-3 weeks)

22

SARS

3-5 days; 2-7 days (commonly)

23

Tuberculossis (T.B.)

Weeks or Months or Years

24

Poliomylitis

 7-14 days (Usually), range 3-35 days

25

Viral Hepatitis A

25-30 days (usually), 10-50 days.

26

Hep B

60-90 days (usually), 50-180 days

27

Hep C

6-7 weeks (usually), 40-120 days

28

Hep E

2-9 weeks

29

Hep D

2-12 weeks

30

Cholera

1-2 days (commonly), Few hours to 5 days

31

Typhoid Fever

10-14 days (usually); 3 days -3 weeks (may be)

32

Lymphatic filariasis

8-16 months, may be longer

33

Rabies

3-8 weeks (commonly), may vary from 4 days-many years.

34

Yellow fever

3-6 days; 6 days recognized under IHR

35

Leptospirosis

10 days (usually), 4-20 days (range)

36

Tetanus

6-10 days (Range: 1 day-several months)

37

Leprosy

Long incubation period-3-5 years or more for lepromatous cases.

38

AIDS

Few months-10 years or even more.


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