The Centers for Disease Control and Prevention (CDC) tracks and reports illness outbreaks on cruise ships through its Vessel Sanitation Program.

Below is a summary of outbreaks reported on cruise ships in 2024, including the causative agents, sailing dates, and the number of impacted guests and crew where available.
Remember that these numbers are only sailings originating or ending in the United States.
Updated Table Summary:
Cruise Line | Reported Outbreaks |
---|---|
Holland America Line | 3 |
Princess Cruises | 3 |
Royal Caribbean International | 3 |
Cunard Line | 3 |
Celebrity Cruises | 2 |
Silversea Cruises | 1 |
P&O Cruises | 1 |
Total | 16 |
Here is a breakdown of each ship that had an outbreak, including the number of guests impacted and the type of illness.
1. Celebrity Constellation

Illness: Norovirus
Sailing Dates: January 3 – January 12, 2024
Guests Impacted: 92 of 2,056 (4.47%)
Crew Impacted: 8 of 948 (0.84%)
2. Queen Victoria

Illness: Norovirus
Sailing Dates: January 22 – February 6, 2024
Guests Impacted: 129 of 1,824 (7.07%)
Crew Impacted: 25 of 967 (2.59%)
3. Koningsdam

Illness: Norovirus
Sailing Dates: February 17 – March 24, 2024
Guests Impacted: 104 of 2,522 (4.12%)
Crew Impacted: 17 of 961 (1.77%)
4. Silver Nova

Illness: E. coli
Sailing Dates: March 31 – April 16, 2024
Guests Impacted: 28 of 633 (4.42%)
Crew Impacted: 1 of 538 (0.19%)
5. Sapphire Princess

Illness: Norovirus
Sailing Dates: April 5 – May 7, 2024
Guests Impacted: 123 of 2,532 (4.86%)
Crew Impacted: 30 of 1,066 (2.81%)
6. Radiance of the Seas

Illness: Norovirus
Sailing Dates: April 8 – April 22, 2024
Guests Impacted: 67 of 1,993 (3.36%)
Crew Impacted: 2 of 924 (0.22%)
7. Allure of the Seas

Illness: Unknown
Sailing Dates: May 20 – May 24, 2024
Guests Impacted: 121 of 6,364 (1.90%)
Crew Impacted: 3 of 2,143 (0.14%)
8. Celebrity Summit

Illness: Norovirus
Sailing Dates: May 24 – May 31, 2024
Guests Impacted: 72 of 2,264 (3.18%)
Crew Impacted: 6 of 943 (0.64%)
9. Arcadia

Illness: Norovirus
Sailing Dates: September 3 – October 3, 2024
Guests Impacted: 128 of 1,959 (5.57%)
Crew Impacted: 19 of 799 (2.41%)
10. Radiance of the Seas

Illness: Salmonella
Sailing Dates: September 20 – September 27, 2024
Guests Impacted: 180 of 2,172 (8.29%)
Crew Impacted: 3 of 894 (0.34%)
11. Coral Princess

Illness: Norovirus
Sailing Dates: October 17 – November 17, 2024
Guests Impacted: 69 of 1,822 (3.79%)
Crew Impacted: 22 of 907 (2.43%)
12. Ruby Princess

Illness: Norovirus
Sailing Dates: December 2 – December 18, 2024
Guests Impacted: 103 of 3,001 (3.43%)
Crew Impacted: 12 of 1,142 (1.05%)
13. Zuiderdam

Illness: Norovirus
Sailing Dates: December 4 – December 14, 2024
Guests Impacted: 87 of 1,923 (4.52%)
Crew Impacted: 4 of 757 (0.53%)
14. Rotterdam

Illness: Norovirus
Sailing Dates: December 8 – December 20, 2024
Guests Impacted: 67 of 2,104 (3.18%)
Crew Impacted: 6 of 1,000 (0.60%)
15. Queen Mary 2

Illness: Unknown
Sailing Dates: December 14 – December 21, 2024
Guests Impacted: 100 of 2,430 (4.16%)
Crew Impacted: 7 of 1,237 (0.57%)
16/17. Queen Mary 2

Illness: Unknown
Sailing Dates: December 21 – January 3, 2025
Guests Impacted: 223 of 2,565 (8.7%)
Crew Impacted: 44 of 1,233 (3.6%)