Number of notifiable infectious diseases by month in 2023
| Disease |
Jan |
Feb |
Mar |
Apr |
May |
Jun |
Jul |
Aug |
Sep |
Oct |
Nov |
Dec |
Total |
| Acute poliomyelitis |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
| Amoebic dysentery |
2 |
3 |
0 |
0 |
0 |
1 |
1 |
0 |
0 |
2 |
3 |
2 |
14 |
| Anthrax |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
| Bacillary dysentery |
2 |
0 |
0 |
1 |
0 |
1 |
2 |
3 |
0 |
0 |
1 |
1 |
11 |
| Botulism |
0 |
0 |
0 |
0 |
0 |
0 |
1 |
0 |
1 |
0 |
0 |
0 |
2 |
| Chickenpox |
91 |
81 |
150 |
115 |
108 |
115 |
123 |
122 |
133 |
121 |
134 |
103 |
1396 |
| Chikungunya fever |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
| Cholera |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
| Community-associated methicillin-resistant Staphylococcus aureus infection |
23 |
31 |
36 |
36 |
45 |
40 |
34 |
41 |
45 |
50 |
51 |
37 |
469 |
| Coronavirus disease 2019 (COVID-19)* |
251137 |
445 |
126 |
320 |
1196 |
937 |
391 |
195 |
236 |
195 |
76 |
53 |
255307 |
| Creutzfeldt-Jakob disease |
1 |
1 |
2 |
1 |
2 |
0 |
1 |
4 |
0 |
2 |
0 |
1 |
15 |
| Dengue fever |
3 |
4 |
0 |
2 |
2 |
3 |
6 |
14 |
2 |
9 |
10 |
7 |
62 |
| Diphtheria |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
| Enterovirus 71 infection |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
| Food poisoning |
Outbreaks |
40 |
48 |
21 |
9 |
9 |
28 |
14 |
23 |
9 |
10 |
13 |
11 |
235 |
| Persons affected |
143 |
165 |
67 |
29 |
48 |
122 |
59 |
108 |
18 |
37 |
50 |
35 |
881 |
| Haemophilus influenzae type b infection (invasive) |
1 |
1 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
2 |
0 |
0 |
4 |
| Hantavirus infection |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
1 |
0 |
0 |
0 |
0 |
1 |
| Invasive pneumococcal disease |
5 |
3 |
6 |
5 |
19 |
9 |
9 |
2 |
9 |
5 |
6 |
16 |
94 |
| Japanese encephalitis |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
| Legionnaires' disease |
5 |
5 |
2 |
5 |
9 |
14 |
21 |
9 |
23 |
13 |
8 |
7 |
121 |
| Leprosy |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
1 |
0 |
0 |
1 |
| Leptospirosis |
0 |
0 |
0 |
0 |
0 |
0 |
1 |
0 |
0 |
1 |
1 |
0 |
3 |
| Listeriosis |
1 |
0 |
3 |
0 |
2 |
0 |
0 |
0 |
0 |
0 |
3 |
0 |
9 |
| Malaria |
0 |
0 |
0 |
1 |
1 |
1 |
0 |
2 |
0 |
1 |
1 |
0 |
7 |
| Measles |
0 |
0 |
0 |
1 |
0 |
0 |
0 |
1 |
0 |
0 |
0 |
1 |
3 |
| Melioidosis |
2 |
1 |
1 |
2 |
0 |
1 |
0 |
2 |
3 |
2 |
1 |
2 |
17 |
| Meningococcal infection (invasive) |
0 |
1 |
0 |
0 |
1 |
1 |
1 |
1 |
0 |
0 |
0 |
0 |
5 |
| Middle East Respiratory Syndrome |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
| Mpox (Monkeypox) |
0 |
1 |
0 |
4 |
1 |
1 |
12 |
21 |
8 |
2 |
3 |
0 |
53 |
| Mumps |
1 |
3 |
7 |
2 |
2 |
2 |
1 |
4 |
2 |
0 |
3 |
1 |
28 |
| Novel influenza A infection |
Influenza A (H5) |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
| Influenza A (H7) |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
| Others |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
| Paratyphoid fever |
0 |
0 |
0 |
0 |
1 |
0 |
0 |
2 |
1 |
0 |
1 |
0 |
5 |
| Plague |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
| Psittacosis |
0 |
0 |
5 |
1 |
2 |
0 |
0 |
1 |
0 |
3 |
1 |
1 |
14 |
| Q fever |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
| Rabies |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
| Relapsing fever |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
| Rubella and congenital rubella syndrome |
Rubella |
0 |
0 |
0 |
1 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
1 |
| Congenital rubella syndrome |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
| Scarlet fever |
5 |
1 |
6 |
2 |
5 |
6 |
10 |
9 |
8 |
27 |
34 |
54 |
167 |
| Severe Acute Respiratory Syndrome |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
| Shiga toxin-producing Escherichia coli infection |
0 |
1 |
0 |
1 |
0 |
0 |
0 |
2 |
1 |
0 |
0 |
1 |
6 |
| Smallpox |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
Streptococcus suis
infection |
0 |
0 |
0 |
0 |
0 |
0 |
2 |
1 |
1 |
2 |
0 |
0 |
6 |
| Tetanus |
0 |
1 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
1 |
0 |
2 |
| Tuberculosis |
219 |
250 |
299 |
259 |
289 |
290 |
243 |
301 |
253 |
315 |
291 |
251 |
3260 |
| Typhoid fever |
1 |
1 |
2 |
0 |
0 |
1 |
2 |
1 |
5 |
3 |
0 |
0 |
16 |
| Typhus and other rickettsial diseases |
Scrub typhus |
0 |
0 |
3 |
0 |
1 |
1 |
1 |
3 |
1 |
2 |
1 |
1 |
14 |
| Urban typhus |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
1 |
0 |
0 |
0 |
1 |
| Spotted fever |
1 |
0 |
1 |
3 |
1 |
0 |
2 |
2 |
1 |
2 |
3 |
1 |
17 |
| Unclassified |
0 |
0 |
2 |
1 |
0 |
0 |
1 |
0 |
0 |
1 |
0 |
0 |
5 |
| Viral haemorrhagic fever |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
| Viral hepatitis |
A |
1 |
6 |
1 |
0 |
2 |
2 |
1 |
2 |
5 |
2 |
5 |
3 |
30 |
| B |
2 |
1 |
3 |
2 |
1 |
0 |
0 |
1 |
0 |
1 |
2 |
0 |
13 |
| C |
0 |
0 |
1 |
0 |
1 |
1 |
1 |
2 |
0 |
2 |
0 |
0 |
8 |
| D |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
| E |
6 |
11 |
9 |
3 |
5 |
11 |
6 |
11 |
7 |
10 |
13 |
8 |
100 |
| West Nile Virus Infection |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
| Whooping cough |
0 |
0 |
1 |
0 |
1 |
0 |
0 |
3 |
3 |
1 |
2 |
4 |
15 |
| Yellow fever |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
| Zika Virus Infection |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
2 |
0 |
2 |
| Total |
251549 |
900 |
687 |
777 |
1706 |
1466 |
887 |
786 |
758 |
787 |
670 |
566 |
261539 |
Note:
* In January 2022, the Centre for Health Protection (CHP) of the Department of Health revised the figures of Coronavirus disease 2019 (COVID-19) according to the date of reporting of the cases. On January 30, 2023, the Government revised the reporting criteria of COVID-19 under which doctors only need to report severe and fatal cases to the CHP.
Remarks:
Persons affected in Food poisoning outbreaks were excluded in the monthly total and grand total.
The figures in the most recent months are provisional and would be revised based on updated information.
Information as at 10 October 2024
Download number of notifiable infectious diseases by month in 2023 (in CSV format)
Uploaded on 25 October 2024
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