The immediate vicinity of Breslau was very severely attacked; in the districts lying to the south of the Oder small-pox raged extensively in the year 1871, whereas those districts on the north side of the river did not suffer very severely until the year 1872. This may be explained by the fact that the extensive industrial activity of the districts south-west of the Oder rendered considerable intercourse with Breslau necessary. The following table indicates the number of deaths per 10,000 inhabitants in the districts north-east of the Oder: 1871. 1872. Namslau 4·0 48·5 Wartenberg 14·0 55·4 Oels 22·3 71·0 Trebnitz 8·6 27·8 Militsch 10·0 37·2 Gurau 15·5 20·2 Steinau 12·1 34·2 Wohlau 41·1 38·4 and in the districts south-west of the Oder: 1871. 1872. Neumarkt 13·5 61·5 Breslau (city) 35·7 27·3 Breslau (district) 57·3 74·9 Ohlau 12·2 23·3 Brieg 5·2 17·2 Strehlau 30·3 33·8 Nimptsch 23·5 37·4 Münsterberg 53·0 29·0 Frankenstein 34·3 14·3 Reichenbach 32·0 19·8 Schweidnitz 26·3 13·4 Striegau 16·9 48·2 Waldenburg 57·7 36·2 Glatz 39·1 13·4 Neurode 20·2 35·6 Habelschwerdt 8·2 7·3 In Upper Silesia the stronghold of Neisse had a maximum number of 12,801 prisoners, among whom there were 385 cases of small-pox and 117 deaths; in the garrison, which averaged 4,452 men, there were 39 cases and 1 death. The first cases among the prisoners were reported on September 25, and in the garrison in November. The civil inhabitants suffered very little in the year 1871, and the number of deaths among them did not begin to grow large until 1872. Only in the district of Neisse and in the neighbouring district of Grottkau was the number of deaths larger in 1871 than in 1872; in all the other districts there were more deaths in 1872. The districts which were most severely attacked in the year 1872 were—Kreuzburg (78·2 deaths per 10,000 inhabitants), Posenberg (58·6), Gross-Strelitz (60·0), Beuthen (56·5), and Kosel (62·4).