Table 2.
Articles without breast milk samples available: 303 | ||||
---|---|---|---|---|
Neonates (0 to 28 days old) | ||||
Confirmed | Negative | Total | Studies | |
COVID‐19 a | COVID‐19 b | |||
Breastfeeding c | 16 | 137 | 153 | Positive cases 60 , 61 , 62 , 63 , 64 , 65 , 66 , 67 , 68 , 69 |
Negative cases 68 , 70 , 71 , 72 , 73 , 74 , 75 , 76 , 77 , 78 , 79 | ||||
Breast milk substitute (infant formula) d | 15 | 67 | 82 | Positive cases 62 , 63 , 80 , 81 , 82 , 83 , 84 , 85 , 86 , 87 |
Negative cases 4 , 68 , 79 , 81 , 88 , 89 , 90 , 91 , 92 , 93 , 94 , 95 , 96 , 97 , 98 , 99 , 100 , 101 , 102 , 103 | ||||
Mix‐feeding | 3 | 7 | 10 | Positive cases 104 , 105 , 106 |
Negative cases 107 | ||||
Not reported feeding practice | 76 | 596 | 672 | Positive cases 63 , 67 , 108 , 109 , 110 , 111 , 112 , 113 , 114 , 115 , 116 , 117 , 118 , 119 , 120 , 121 , 122 , 123 , 124 , 125 , 126 , 127 , 128 , 129 , 130 , 131 , 132 , 133 , 134 , 135 , 136 |
Negative cases 5 , 10 , 47 , 75 , 111 , 114 , 119 , 120 , 122 , 137 , 138 , 139 , 140 , 141 , 142 , 143 , 144 , 145 , 146 , 147 , 148 , 149 , 150 , 151 , 152 , 153 , 154 , 155 , 156 , 157 , 158 , 159 , 160 , 161 , 162 , 163 , 164 , 165 , 166 , 167 , 168 , 169 , 170 , 171 , 172 , 173 , 174 , 175 , 176 , 177 , 178 , 179 , 180 , 181 , 182 , 183 , 184 , 185 , 186 , 187 , 188 | ||||
Infants (>28 days old) | ||||
Breastfeeding c | 12 | 0 | 12 | Positive cases 69 , 189 , 190 , 191 , 192 , 193 , 194 , 195 , 196 , 197 , 198 |
Breast milk substitute (infant formula) d | 6 | 0 | 6 | Positive cases 83 , 193 , 199 , 200 |
Mix‐feeding | 3 | 0 | 3 | Positive cases 193 , 201 |
Not reported e feeding practice | 125 | 2 | 127 | Positive cases 48 , 59 , 85 , 126 , 202 , 203 , 204 , 205 , 206 , 207 , 208 , 209 , 210 , 211 , 212 , 213 , 214 , 215 , 216 , 217 , 218 , 219 , 220 , 221 , 222 , 223 , 224 , 225 , 226 , 227 , 228 , 229 , 230 , 231 , 232 , 233 , 234 , 235 , 236 , 237 , 238 , 239 , 240 , 241 , 242 , 243 , 244 , 245 , 246 , 247 , 248 , 249 , 250 , 251 , 252 , 253 , 254 |
Negative cases 155 , 255 | ||||
Total | 256 | 808 | 1065 | |
Articles not included in the analysis | 3, 102, 115, 136, 178, 225, 256, 257, 258, 259, 260, 261, 262, 263, 264, 265, 266, 267, 268, 269, 270, 271, 272, 273, 274, 275, 276, 277, 278, 279, 280, 281, 282, 283, 284, 285, 286, 287, 288, 289, 290, 291, 292, 293, 294, 295, 296, 297, 298, 299, 300, 301, 302, 303, 304, 305, 306, 307, 308, 309, 310, 311, 312, 313, 314, 315, 316, 317, 318, 319, 320, 321, 322, 323, 324, 325, 326, 327, 328, 329, 330, 331, 332, 333, 334, 335, 336, 337, 338, 339, 340, 341, 342, 343, 344, 345, 346, 347, 348, 349, 350, 351, 352, 353, 354, 355 |
Confirmed cases are defined as individuals with a positive RT‐PCR tests for SARS‐CoV‐2 RNA.
Negative COVID‐19 are individuals with a negative RT‐PCR test for SARS‐CoV‐2 RNA.
The frequency of exclusivity of breastfeeding before infection is not clear among these studies.
There were 35 cases where authors clearly stated not breastfeeding, in 16 cases, authors advised not to breastfed, and 30 newborns were isolated at birth.
Among the cases with not reported feeding practices, there were 46 positive and 1 negative cases <1‐year‐old. There were 15 positive and 2 negative cases >1‐ to 2‐year‐old.