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RSV Surveillance

Respiratory Syncytial Virus

Learn more about RSV, along with additional information about respiratory viruses.

RSV Surveillance Reports

Surveillance is conducted to support clinical decision-making for prophylaxis for those at high-risk of illness.

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2026 Weekly Reports

Week 26 – June 28 – July 4
Week 25 – June 21 – 27
Week 24 – June 14 – 20
Week 23 – June 7 – 13

Week 22 – May 31 – June 6
Week 21 – May 24 – 30
Week 20 – May 17 – 23
Week 19 – May 10 – 16
Week 18 – May 3 – 9
Week 17 – April 26 – May 2
Week 16 – April 19 – 25
Week 15 – April 12 – 18
Week 14 – April 5 – 11
Week 13 – March 29 – April 4
Week 12 – March 22 – 28

Week 11 – March 15 – 21
Week 10 – March 8 – 14
Week 9 – March 1 – 7
Week 8 – February 22 – 28
Week 7 – February 15 – 21
Week 6 – February 8 -14
Week 5 – February 1 – 7
Week 4 – January 25 – 31
Week 3 – January 18 – 24
Week 2 – January 11 – 17
Week 1 – January 4 – 10

2025 Weekly Reports

Week 53 – December 28 – January 3
Week 52 – December 21 – 27
Week 51 – December 14 – 20
Week 50 – December 7 – 13
Week 49 – November 30 – December 6
Week 48 – November 23 – 29
Week 47– November 16 – 22
Week 46 – November 9 – 15
Week 45 – November 2 – 8
Week 44 – October 26 – November 1
Week 43 – October 19 – 25
Week 42 – October 12 – 18
Week 41 – October 5 – 11
Week 40 – September 28 – October 4
Week 39 – September 21- 27
Week 38 – September 14 – 20
Week 37 – September 7 – 13

Week 36 – August 31 – September 6
Weeek 35 – August 24 – 30
Week 34 – August 17 – 23
Week 33 – August 10 – 16
Week 32 – August 3 – 9
Week 31 – July 27 – August 2
Week 30 – July 20 – 26
Week 29 – July 13 – 19
Week 28 – July 6-12
Week 27 – June 29 – July 5
Week 26 – June 22-28
Week 25 – June 15-21
Week 24 – June 8-14
Week 23 – June 1-7
Week 22 – May 25-31
Week 21 – May 18-24
Week 20 – May 11-17
Week 19 – May 4-10

Week 18 – April 27 – May 3
Week 17 – April 20-26
Week 15 – April 6-12
Week 16 – April 13-19
Week 14 – March 30 – April 5
Week 13 – March 23-29
Week 12 – March 16-22
Week 11 – March 9-15
Week 10 – March 2-8
Week 9 – February 23 – March 1
Week 8 – February 16 – 22
Week 7 – February 9 – 15
Week 6 – February 2 – 8
Week 5 – January 26 – February 1
Week 4 – January 19 – 25
Week 3 – January 12 – 18
Week 2 – January 5 – 11
Week 1 – December 29 – January 4

2024 Weekly Reports

Week 52 – December 22 – 28
Week 51 – December 15 – 21
Week 50 – December 8 – 14
Week 49 – December 1 – 7
Week 48 – November 24 – 30
Week 47 – November 17 – 23
Week 46 – November 10 – 16
Week 45 – November 3 – 9
Week 44 – October 27 – November 2
Week 43 – October 20 – 26
Week 42 – October 13 – 19
Week 41 – October 6 – 12
Week 40 – September 29 – October 5
Week 39 – September 22 – 28
Week 38 – September 15 – 21
Week 37 – September 7 – 14

Week 36 – September 1 – 7
Week 35 – August 25 – 31
Week 34 – August 18 – 24
Week 33 – August 11 – 17
Week 32 – August 4 – 10
Week 31 – July 28 – August 3
Week 30 – July 21 – 27
Week 29 – July 14 – 20
Week 28 – July 7 – 13
Week 27 – June 30 – July 6
Week 26 – June 23 – 29
Week 25 – June 16 – 22
Week 24 – June 9 – 15
Week 23 – June 2 – 8
Week 22 – May 25 – June 1
Week 21 – May 18 – 24
Week 20 – May 11 – 17
Week 19 – May 5 – 11

Week 18 – April 28 – May 4
Week 17 – April 21 – 27
Week 16 – April 14 – 20
Week 15 – April 7 – 13
Week 14 – March 31 – April 6
Week 13 – March 24 – 30
Week 12 – March 17 – 23
Week 11 – March 10 – 16
Week 10 – March 3 – 9
Week 9 – February 25 – March 2
Week 8 – February 18 – 24
Week 7 – February 11 – 17
Week 6 – February 4 – 10
Week 5 – January 28 – February
Week 4 – January 21 – 27
Week 3 – January 14 – 20
Week 2 – January 7 – 13
Week 1 – December 31 – January 6

2023 Weekly Reports

2022 Weekly Reports