Number of Long-term Care Facilities (LTCF) Reporting at least One Confirmed Influenza Positive Test Among Residents,,,
"Reported to CDC National Healthcare Safety Network (NHSN),",,,
"October 4, 2021- September 18, 2022",,,
"Data as of September 21, 2022 ",,,
,,,
National,,,
Week,Number of LTCFs Reporting ,Number of LTCFs with at least one influenza positive test among residents,% of LTCFs with at least one influenza positive test among residents
202140,15451,20,0.13
202141,15459,21,0.14
202142,15428,29,0.19
202143,15390,28,0.18
202144,15415,19,0.12
202145,15415,23,0.15
202146,15801,34,0.22
202147,15347,27,0.18
202148,15419,58,0.38
202149,15403,80,0.52
202150,15404,103,0.67
202151,15399,145,0.94
202152,15378,211,1.37
202201,15404,213,1.38
202202,15341,159,1.04
202203,15357,128,0.83
202204,15315,85,0.56
202205,15368,67,0.44
202206,15364,62,0.4
202207,15390,68,0.44
202208,15339,78,0.51
202209,15350,81,0.53
202210,15334,106,0.69
202211,15325,106,0.69
202212,15279,112,0.73
202213,15283,115,0.75
202214,15323,137,0.89
202215,15315,152,0.99
202216,15295,128,0.84
202217,15256,125,0.82
202218,15322,141,0.92
202219,15304,111,0.73
202220,15298,95,0.62
202221,15631,71,0.45
202222,15632,87,0.56
202223,15631,60,0.38
202224,15628,46,0.29
202225,15632,39,0.25
202226,15647,38,0.24
202227,15642,24,0.15
202228,15624,34,0.22
202229,15628,42,0.27
202230,15559,40,0.26
202231,15601,42,0.27
202232,15590,42,0.27
202233,15577,34,0.22
202234,15510,31,0.2
202235,15524,33,0.21
202236,15454,26,0.17
202237,14515,32,0.22
,,,
,,,
,,,
"Region 1 (Connecticut, Maine, Massachusetts, New Hampshire, Rhode Island, and Vermont)",,,
Week,Number of LTCFs Reporting,Number of LTCFs with at least one influenza positive test among residents,% of LTCFs with at least one influenza positive test among residents
202140,869,1,0.12
202141,873,0,0
202142,870,1,0.11
202143,864,1,0.12
202144,870,0,0
202145,869,1,0.12
202146,869,2,0.23
202147,865,3,0.35
202148,867,1,0.12
202149,870,6,0.69
202150,868,12,1.38
202151,861,10,1.16
202152,862,14,1.62
202201,868,9,1.04
202202,869,7,0.81
202203,868,3,0.35
202204,866,3,0.35
202205,869,1,0.12
202206,867,0,0
202207,867,1,0.12
202208,865,0,0
202209,867,2,0.23
202210,865,3,0.35
202211,865,4,0.46
202212,862,4,0.46
202213,863,8,0.93
202214,862,15,1.74
202215,861,20,2.32
202216,859,17,1.98
202217,861,17,1.97
202218,862,20,2.32
202219,857,22,2.57
202220,860,14,1.63
202221,860,10,1.16
202222,856,6,0.7
202223,854,4,0.47
202224,853,2,0.23
202225,853,2,0.23
202226,851,1,0.12
202227,851,1,0.12
202228,855,0,0
202229,853,1,0.12
202230,848,0,0
202231,854,4,0.47
202232,851,1,0.12
202233,851,0,0
202234,853,3,0.35
202235,852,2,0.23
202236,852,0,0
202237,741,2,0.27
,,,
"Region 2 (New Jersey, New York, Puerto Rico, and the U.S. Virgin Islands)",,,
Week,Number of LTCFs Reporting,Number of LTCFs with at least one influenza positive test among residents,% of LTCFs with at least one influenza positive test among residents
202140,"1,113",1,0.09
202141,"1,110",2,0.18
202142,"1,104",0,0
202143,"1,103",3,0.27
202144,"1,106",0,0
202145,"1,108",3,0.27
202146,"1,107",4,0.36
202147,"1,105",2,0.18
202148,"1,105",6,0.54
202149,"1,107",9,0.81
202150,"1,103",19,1.72
202151,"1,101",15,1.36
202152,"1,103",11,1
202201,"1,101",14,1.27
202202,"1,101",9,0.82
202203,"1,101",7,0.64
202204,"1,099",3,0.27
202205,"1,104",4,0.36
202206,"1,102",3,0.27
202207,"1,102",5,0.45
202208,"1,095",2,0.18
202209,"1,098",1,0.09
202210,"1,098",5,0.46
202211,"1,096",3,0.27
202212,"1,090",2,0.18
202213,"1,090",5,0.46
202214,"1,098",8,0.73
202215,"1,098",28,2.55
202216,"1,097",21,1.91
202217,"1,094",20,1.83
202218,"1,097",30,2.73
202219,"1,095",10,0.91
202220,"1,091",8,0.73
202221,"1,085",6,0.55
202222,"1,085",8,0.74
202223,"1,090",3,0.28
202224,"1,089",5,0.46
202225,"1,091",3,0.27
202226,"1,083",2,0.18
202227,"1,089",3,0.28
202228,"1,083",4,0.37
202229,"1,084",6,0.55
202230,"1,072",8,0.75
202231,"1,062",1,0.09
202232,"1,063",4,0.38
202233,"1,060",2,0.19
202234,"1,051",4,0.38
202235,"1,050",2,0.19
202236,"1,041",4,0.38
202237,984,1,0.1
,,,
"Region 3 (Delaware, District of Columbia, Maryland, Pennsylvania, Virginia, and West Virginia)",,,
Week,Number of LTCFs Reporting,Number of LTCFs with at least one influenza positive test among residents,% of LTCFs with at least one influenza positive test among residents
202140,"1,416",2,0.14
202141,"1,413",4,0.28
202142,"1,409",3,0.21
202143,"1,406",3,0.21
202144,"1,410",1,0.07
202145,"1,410",1,0.07
202146,"1,404",5,0.36
202147,"1,398",2,0.14
202148,"1,402",6,0.43
202149,"1,404",15,1.07
202150,"1,406",16,1.14
202151,"1,399",16,1.14
202152,"1,402",25,1.78
202201,"1,400",23,1.64
202202,"1,403",16,1.14
202203,"1,402",13,0.93
202204,"1,403",10,0.71
202205,"1,391",7,0.5
202206,"1,383",7,0.51
202207,"1,383",4,0.29
202208,"1,388",9,0.65
202209,"1,393",7,0.5
202210,"1,396",11,0.79
202211,"1,398",15,1.07
202212,"1,388",9,0.65
202213,"1,397",10,0.72
202214,"1,397",20,1.43
202215,"1,394",20,1.43
202216,"1,399",8,0.57
202217,"1,394",12,0.86
202218,"1,397",18,1.29
202219,"1,397",16,1.15
202220,"1,397",12,0.86
202221,"1,394",7,0.5
202222,"1,378",2,0.15
202223,"1,390",3,0.22
202224,"1,390",2,0.14
202225,"1,383",2,0.14
202226,"1,389",5,0.36
202227,"1,387",2,0.14
202228,"1,388",4,0.29
202229,"1,389",5,0.36
202230,"1,383",3,0.22
202231,"1,385",1,0.07
202232,"1,389",2,0.14
202233,"1,390",10,0.72
202234,"1,385",6,0.43
202235,"1,387",2,0.14
202236,"1,369",2,0.15
202237,"1,248",5,0.4
,,,
"Region 4 (Alabama, Florida, Georgia, Kentucky, Mississippi, North Carolina, South Carolina, and Tennessee)",,,
Week,Number of LTCFs Reporting,Number of LTCFs with at least one influenza positive test among residents,% of LTCFs with at least one influenza positive test among residents
202140,"2,786",8,0.29
202141,"2,789",4,0.14
202142,"2,787",14,0.5
202143,"2,779",5,0.18
202144,"2,786",4,0.14
202145,"2,784",8,0.29
202146,"2,784",5,0.18
202147,"2,766",9,0.33
202148,"2,784",18,0.65
202149,"2,776",16,0.58
202150,"2,781",17,0.61
202151,"2,777",32,1.15
202152,"2,781",37,1.33
202201,"2,779",33,1.19
202202,"2,770",28,1.01
202203,"2,766",25,0.9
202204,"2,768",20,0.72
202205,"2,773",12,0.43
202206,"2,773",14,0.5
202207,"2,769",7,0.25
202208,"2,763",7,0.25
202209,"2,763",12,0.43
202210,"2,769",21,0.76
202211,"2,766",18,0.65
202212,"2,759",12,0.43
202213,"2,759",14,0.51
202214,"2,769",22,0.79
202215,"2,764",17,0.62
202216,"2,758",13,0.47
202217,"2,742",20,0.73
202218,"2,759",19,0.69
202219,"2,764",18,0.65
202220,"2,758",20,0.73
202221,"2,747",12,0.44
202222,"2,749",29,1.05
202223,"2,753",16,0.58
202224,"2,759",13,0.47
202225,"2,756",14,0.51
202226,"2,759",13,0.47
202227,"2,761",6,0.22
202228,"2,755",6,0.22
202229,"2,754",12,0.44
202230,"2,743",6,0.22
202231,"2,751",11,0.4
202232,"2,748",6,0.22
202233,"2,748",4,0.15
202234,"2,735",8,0.29
202235,"2,737",11,0.4
202236,"2,733",9,0.33
202237,"2,600",7,0.27
,,,
"Region 5 (Illinois, Indiana, Michigan, Minnesota, Ohio, and Wisconsin)",,,
Week,Number of LTCFs Reporting,Number of LTCFs with at least one influenza positive test among residents,% of LTCFs with at least one influenza positive test among residents
202140,"3,488",3,0.09
202141,"3,498",5,0.14
202142,"3,494",5,0.14
202143,"3,472",6,0.17
202144,"3,479",6,0.17
202145,"3,482",2,0.06
202146,"3,477",6,0.17
202147,"3,467",5,0.14
202148,"3,488",9,0.26
202149,"3,481",14,0.4
202150,"3,475",17,0.49
202151,"3,469",26,0.75
202152,"3,459",48,1.39
202201,"3,471",43,1.24
202202,"3,461",29,0.84
202203,"3,468",27,0.78
202204,"3,466",18,0.52
202205,"3,478",13,0.37
202206,"3,474",14,0.4
202207,"3,490",18,0.52
202208,"3,482",23,0.66
202209,"3,485",20,0.57
202210,"3,478",23,0.66
202211,"3,482",21,0.6
202212,"3,464",23,0.66
202213,"3,476",32,0.92
202214,"3,474",30,0.86
202215,"3,474",27,0.78
202216,"3,478",31,0.89
202217,"3,462",20,0.58
202218,"3,466",22,0.63
202219,"3,469",21,0.61
202220,"3,457",20,0.58
202221,"3,455",14,0.41
202222,"3,455",11,0.32
202223,"3,437",13,0.38
202224,"3,430",11,0.32
202225,"3,459",8,0.23
202226,"3,459",6,0.17
202227,"3,462",3,0.09
202228,"3,456",5,0.14
202229,"3,462",6,0.17
202230,"3,444",7,0.2
202231,"3,457",6,0.17
202232,"3,453",10,0.29
202233,"3,451",6,0.17
202234,"3,445",5,0.15
202235,"3,448",6,0.17
202236,"3,438",8,0.23
202237,"3,297",6,0.18
,,,
"Region 6 (Arkansas, Louisiana, New Mexico, Oklahoma, and Texas)",,,
Week,Number of LTCFs Reporting,Number of LTCFs with at least one influenza positive test among residents,% of LTCFs with at least one influenza positive test among residents
202140,"2,117",2,0.09
202141,"2,120",3,0.14
202142,"2,124",1,0.05
202143,"2,112",7,0.33
202144,"2,123",5,0.24
202145,"2,118",4,0.19
202146,"2,118",7,0.33
202147,"2,106",5,0.24
202148,"2,120",10,0.47
202149,"2,122",11,0.52
202150,"2,117",14,0.66
202151,"2,115",15,0.71
202152,"2,114",28,1.32
202201,"2,118",25,1.18
202202,"2,108",22,1.04
202203,"2,117",10,0.47
202204,"2,112",9,0.43
202205,"2,114",9,0.43
202206,"2,113",8,0.38
202207,"2,115",15,0.71
202208,"2,107",15,0.71
202209,"2,110",20,0.95
202210,"2,109",21,1
202211,"2,106",20,0.95
202212,"2,096",36,1.72
202213,"2,105",25,1.19
202214,"2,107",14,0.66
202215,"2,106",15,0.71
202216,"2,102",14,0.67
202217,"2,092",9,0.43
202218,"2,106",6,0.28
202219,"2,101",8,0.38
202220,"2,101",4,0.19
202221,"2,092",5,0.24
202222,"2,096",10,0.48
202223,"2,098",6,0.29
202224,"2,097",5,0.24
202225,"2,087",4,0.19
202226,"2,097",3,0.14
202227,"2,096",4,0.19
202228,"2,095",7,0.33
202229,"2,094",3,0.14
202230,"2,091",4,0.19
202231,"2,095",9,0.43
202232,"2,098",12,0.57
202233,"2,096",3,0.14
202234,"2,071",3,0.14
202235,"2,075",5,0.24
202236,"2,064",1,0.05
202237,"1,911",5,0.26
,,,
"Region 7 (Iowa, Kansas, Missouri, and Nebraska)",,,
Week,Number of LTCFs Reporting,Number of LTCFs with at least one influenza positive test among residents,% of LTCFs with at least one influenza positive test among residents
202140,"1,532",2,0.13
202141,"1,531",0,0
202142,"1,529",2,0.13
202143,"1,525",1,0.07
202144,"1,529",2,0.13
202145,"1,530",0,0
202146,"1,529",2,0.13
202147,"1,522",0,0
202148,"1,530",4,0.26
202149,"1,529",5,0.33
202150,"1,524",3,0.2
202151,"1,525",22,1.44
202152,"1,525",26,1.7
202201,"1,528",46,3.01
202202,"1,524",34,2.23
202203,"1,525",29,1.9
202204,"1,521",13,0.85
202205,"1,521",9,0.59
202206,"1,521",13,0.85
202207,"1,522",13,0.85
202208,"1,516",14,0.92
202209,"1,515",16,1.06
202210,"1,512",17,1.12
202211,"1,507",19,1.26
202212,"1,511",19,1.26
202213,"1,510",14,0.93
202214,"1,507",16,1.06
202215,"1,506",8,0.53
202216,"1,509",9,0.6
202217,"1,505",10,0.66
202218,"1,505",7,0.47
202219,"1,509",3,0.2
202220,"1,506",4,0.27
202221,"1,496",2,0.13
202222,"1,506",1,0.07
202223,"1,501",4,0.27
202224,"1,502",2,0.13
202225,"1,497",3,0.2
202226,"1,503",1,0.07
202227,"1,493",2,0.13
202228,"1,497",6,0.4
202229,"1,494",3,0.2
202230,"1,482",7,0.47
202231,"1,495",6,0.4
202232,"1,489",5,0.34
202233,"1,488",3,0.2
202234,"1,484",1,0.07
202235,"1,483",2,0.13
202236,"1,479",1,0.07
202237,"1,386",5,0.36
,,,
"Region 8 (Colorado, Montana, North Dakota, South Dakota, Utah, and Wyoming)",,,
Week,Number of LTCFs Reporting,Number of LTCFs with at least one influenza positive test among residents,% of LTCFs with at least one influenza positive test among residents
202140,611,0,0
202141,611,1,0.16
202142,610,0,0
202143,607,0,0
202144,614,0,0
202145,613,2,0.33
202146,611,3,0.49
202147,605,1,0.17
202148,614,3,0.49
202149,613,3,0.49
202150,611,0,0
202151,613,4,0.65
202152,612,17,2.78
202201,614,17,2.77
202202,612,12,1.96
202203,613,10,1.63
202204,609,6,0.99
202205,612,5,0.82
202206,612,1,0.16
202207,615,2,0.33
202208,613,2,0.33
202209,613,1,0.16
202210,615,3,0.49
202211,610,5,0.82
202212,607,3,0.49
202213,605,4,0.66
202214,610,7,1.15
202215,609,9,1.48
202216,608,9,1.48
202217,608,15,2.47
202218,613,9,1.47
202219,611,7,1.15
202220,607,6,0.99
202221,605,5,0.83
202222,605,11,1.82
202223,609,3,0.49
202224,608,2,0.33
202225,606,0,0
202226,607,0,0
202227,603,1,0.17
202228,602,0,0
202229,601,2,0.33
202230,600,3,0.5
202231,603,1,0.17
202232,600,0,0
202233,602,1,0.17
202234,599,0,0
202235,600,0,0
202236,594,0,0
202237,539,1,0.19
,,,
"Region 9 (Arizona, California, Hawaii, and Nevada)",,,
Week,Number of LTCFs Reporting,Number of LTCFs with at least one influenza positive test among residents,% of LTCFs with at least one influenza positive test among residents
202140,"1,074",0,0
202141,"1,071",2,0.19
202142,"1,056",1,0.09
202143,"1,080",0,0
202144,"1,054",1,0.09
202145,"1,057",1,0.09
202146,"1,458",0,0
202147,"1,071",0,0
202148,"1,068",1,0.09
202149,"1,060",1,0.09
202150,"1,077",4,0.37
202151,"1,097",4,0.36
202152,"1,078",4,0.37
202201,"1,084",1,0.09
202202,"1,054",2,0.19
202203,"1,058",1,0.09
202204,"1,033",1,0.1
202205,"1,065",3,0.28
202206,"1,077",2,0.19
202207,"1,084",3,0.28
202208,"1,071",3,0.28
202209,"1,065",2,0.19
202210,"1,053",2,0.19
202211,"1,053",1,0.09
202212,"1,062",2,0.19
202213,"1,037",2,0.19
202214,"1,058",1,0.09
202215,"1,064",3,0.28
202216,"1,044",4,0.38
202217,"1,058",2,0.19
202218,"1,078",8,0.74
202219,"1,061",3,0.28
202220,"1,080",4,0.37
202221,"1,461",4,0.27
202222,"1,465",8,0.55
202223,"1,462",6,0.41
202224,"1,462",2,0.14
202225,"1,463",2,0.14
202226,"1,462",6,0.41
202227,"1,461",2,0.14
202228,"1,459",1,0.07
202229,"1,459",2,0.14
202230,"1,457",1,0.07
202231,"1,458",2,0.14
202232,"1,459",2,0.14
202233,"1,456",3,0.21
202234,"1,453",1,0.07
202235,"1,455",2,0.14
202236,"1,452",0,0
202237,"1,415",0,0
,,,
"Region 10 (Alaska, Idaho, Oregon, and Washington)",,,
Week,Number of LTCFs Reporting,Number of LTCFs with at least one influenza positive test among residents,% of LTCFs with at least one influenza positive test among residents
202140,445,1,0.22
202141,443,0,0
202142,445,2,0.45
202143,442,2,0.45
202144,444,0,0
202145,444,1,0.23
202146,444,0,0
202147,442,0,0
202148,441,0,0
202149,441,0,0
202150,442,1,0.23
202151,442,1,0.23
202152,442,1,0.23
202201,441,2,0.45
202202,439,0,0
202203,439,3,0.68
202204,438,2,0.46
202205,441,4,0.91
202206,442,0,0
202207,443,0,0
202208,439,3,0.68
202209,441,0,0
202210,439,0,0
202211,442,0,0
202212,440,2,0.45
202213,441,1,0.23
202214,441,4,0.91
202215,439,5,1.14
202216,441,2,0.45
202217,440,0,0
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