Combatting anthrax outbreaks across Nigeria’s national land borders: need to optimize surveillance with epidemiological surveys

Table 2 Overview of anthrax outbreaks in Nigeria, June–July 2023, by species and type of animal

		Number of domestic animals (%)
Species	Livestock	Susceptible	Cases^a	Deaths^b	Killed and disposed^c	Slaughtered for commercial use^c	Vaccinated^c
Camel	Old	0	0	0 (0)	0 (0)	0 (0)	0 (0)
	New	1 (100)	1 (100)	0 (0)	0 (0)	0 (0)	0 (0)
	Total	1 (100)	1 (100)	0 (0)	0 (0)	0 (0)	0 (0)
Cattle	Old	100 (9.0)	20 (20.0)	13 (65.0)	0 (0)	7 (100)	0 (0)
	New	1009 (91.0)	3 (0.3)	0 (0)	3 (100)	0 (0)	0 (0)
	Total	1109 (100)	23 (2.1)	13 (56.5)	3 (30.0)	7 (70.0)	0 (0)
Goat	Old	0 (100)	0 (0)	0 (0)	0 (0)	0 (0)	0 (0)
	New	4 (100)	0 (0)	0 (0)	0 (0)	0 (0)	0 (0)
	Total	4 (100)	0 (0)	0 (0)	0 (0)	0 (0)	0 (0)
Sheep	Old	73 (83.9)	15 (20.5)	10 (66.7)	0 (0)	0 (0)	0 (0)
	New	14 (16.1)	9 (64.2)	9 (100)	0 (0)	0 (0)	0 (0)
	Total	87 (100)	24 (27.6)	19 (79.2)	0 (0)	0 (0)	0 (0)
Overall	Old	173 (14.4)	35 (47.9)	23 (65.7)	0 (0)	7 (58.3)	0 (0)
	New	1028 (85.6)	13 (1.3)	9 (69.2)	3 (75.0)	0 (0)	0 (0)
	Total	1201 (100)	48 (4.0)	32 (66.7)	3 (18.8)	7 (21.9)	0 (0)

^aNumber (proportion) of domestic animals susceptible to Bacillus anthracis; ^bNumber (proportion) of domestic animals tested positive for B. anthracis; ^cproportion of domestic animals tested positive for B. anthracis and still alive. Data provided by the World Organisation for Animal Health [reference [22] and online updates]

ISSN: 2049-9957