WHO giám sát chặt biến thể phụ AY.4.2 của chủng Delta

(TTXVN/Vietnam+) 08:26 29/10/2021

Trong bối cảnh các ca mắc COVID-19 trên toàn cầu đang tăng trở lại, Tổ chức Y tế Thế giới (WHO) cho biết đang theo dõi chặt chẽ AY.4.2 - một biến thể phụ của chủng Delta, nhằm đánh giá liệu mức độ lây nhiễm của biến thể này có cao hơn so với chủng ban đầu hay không. Biến thể phụ này đã được phát hiện ở ít nhất 42 quốc gia trên thế giới.

4bqkUUVE4buMxajhu4I6OkFDKnJSO8Wow5RD4bqm4buvZm1EUFLhu4TGr0Q64buEO0Thu4xR4buIO0TDklLGoOG7qEQ7UeG7okQqUShEOHfhurbhurrhurbDiUThu4wp4buCROG7jFEp4buoUERiw5TFqDvhu4LhuqQvUUXhuqbhuqQqROG7jMWo4buCOjpBQypmw5Thu4Lhu45D4bqmcj/hu6rhu6hQRMOSWVJE4buMSOG7qFFE4buM4buE4buMROG7jOG7gkTGr8OM4buMROG6q23hu61nYi1F4buGRDs/4buW4buoRDvhu6pG4buoROG7jE0sRMOV4buC4buoUEQ7w43hu6hQRDs/JETFqEdS4bqwRHLhu7RE4buMUXvhu4xEd0Q7xqBEclHGoERQUkBSROG6tOG7r2Ztw4JE4buMUeG7qkTDklLGoDtEw5Xhu4Lhu6hQRDtRw5Thu6pE4buOV1JE4buMUeG7iDtE4buMUeG7lEQ4d+G6tuG6uuG6tsOJRC1Exq/hu7I7RMOSUsag4buoRDtR4buiRCpRKEThu4wp4buCROG7jFEp4buoUERiw5TFqDvhu4LhurBE4buoUeG7isavRMOV4buE4buoUURQUuG7hETFqFLhu5wsRMave+G7jETDleG7skTFqEsyROG7qFFS4buexq9E4buMKeG7gkTDklLGoOG7qEQ7UeG7okThu6hGMkThu4zhu7BE4buM4buC4buqRFHhu7jhu6hEOuG7qkQgQFJE4buMUSnhu6hQRMOS4buC4buoRMOVTSxEUeG7gjJE4bumUVjhu6hQ4bq2ROG6qVLGoOG7qEQ7UeG7okQqUShE4buoRjJEw5VJRMOVPj3hu4xEKlHhu4Q7RFFS4buc4buoRCREUztE4buoUUw7ROG6usOJRCYsWeG7jERQUuG7gkQ7P+G7luG7qEQ7UcagRFBSQFLhurbhuqQvKuG6puG6pCpE4buMxajhu4I6OkFDKuG6qeG7quG7jjJD4bqm4bqkUsavUEThu4zFqOG7gjo6QUPhu4zGrzotKlHhu6o74buqQ0Q7UjvFqMOUQUPhu69mbURQUuG7hMavRDrhu4Q7ROG7jFHhu4g7RMOSUsag4buoRDtR4buiRCpRKEQ4d+G6tuG6uuG6tsOJROG7jCnhu4JE4buMUSnhu6hQRGLDlMWoO+G7gkRRVOG7qFFESOG7qFFERUNEOj/hu4xBQy8v4buM4bq24buOUeG7jOG7qOG6tiDhu6gvUsavUC/hu47DlDrhu6Y74buqKi/hu44tw5Lhu4Lhu6o7UeG7guG7qFFR4buq4buC4bq2IOG7qC/hu6jDlDA6L8OJReG6uuG6uC9F4bq+4bq+4buO4bq8xJDhu4DDicOK4bq4w4o7ReG6uOG7hsWoReG6tjDDlMOSKkNE4buCxag7QUPhu69mbURQUuG7hMavRDrhu4Q7ROG7jFHhu4g7RMOSUsag4buoRDtR4buiRCpRKEQ4d+G6tuG6uuG6tsOJROG7jCnhu4JE4buMUSnhu6hQRGLDlMWoO+G7gkNE4buO4buCO+G7gi0qUeG7qjvhu6ot4buqP1JQUuG7qOG7gsWoLTo/4buMQUNROzsqOsSCLy/hu4zhu47hu6hSxq9Q4bq2IFLDlDvhu6jhu4LGryrFqCw64bq2IOG7qC87w4rDicSQLywqxajhu6rhu4Lhu47DlOG7ji9R4buqO+G7qOG7qHovw4nEkMOJRV9FxJBfw4nhu4AvOzsxIOG7qDtR4buCUl/FqOG7guG7qOG6tuG7pCpQQ0Qv4bqmYixE4bumUeG7hOG7jFFEw5VJRDtS4buWxq9EIOG7guG7jOG7jFLhu6jDlEThu6hQfeG7gkThuqtt4butZ2ItReG7hkTFqEbGr0Q7USlEOyjhu4xEO0dSRDpL4buoRMOS4buCMkQmLFnhu4xEO8agRHEsIOG7gj/hu6jhu4LDklEsxq9SRCRE4bqp4buC4buoUOG7puG7quG7pkThu6ZRUkQ7QFJE4buOLETFqFXhu4xRRHJR4buEUkRq4buC4buo4bq2ROG6tMOg4buoUcSCRHJmdi9ycnbhu61sw4LhuqQvKuG6puG6pCpE4buMxajhu4I6OkFDKuG6qeG7quG7jjJD4bqmcj/hu6rhu6hQRMOSSOG7qEThu4xOKkThu6hRTjtE4buOVeG7jFFEO+G7nkRR4buu4buMRFHhu4rhu6hQRDssTeG7qOG6sEThu69mbUThu4xR4buqRMOSUsagO0Thu4zhu7hEJizhu4Lhu6hE4buoRjJEw5VJRFBS4buExq9EOuG7hDtExq974buMRMOV4buyRDEsTDtEUVLhu5zhu6hE4buMKeG7gkTDklLGoOG7qEQ7UeG7okQqUShEOHfhurbhurrhurbDiUQ7fUQ7UeG7hOG7qFBE4bq+L8OJxJDDiUXhurBEw5XDneG7qFBEO1EjUkQ7Usag4buoRFFG4buoUUThu4zhu4Thu4xE4buoUFFS4buW4buoROG7jHssROG7jlXhu4xRRDvhu55EUeG7ruG7jEQgRkQ7UVNE4buoUFFS4bucxq9Ew5Xhu6JEMcOUxq9EMeG7kDtExahS4bucLEThu4zhu7BEOltEO1Hhu4IyRMOV4bu0UkQ7P+G7quG7qFBE4bumUUhE4buow43hu6hQRMWoSzJE4buoUVLhu57Gr0Thu4wp4buCRMOSUsag4buoRDtR4buiRCpRKERR4buq4buI4buMRDpbRDosMkRQUkjGr0Thu6ZRSEThu6jDjeG7qFBE4buoUMON4buoROG7jFHhu4jhu6hEIFI/LDpE4buMKeG7gkThu6ZR4buE4buoUEQ7UeG7okQkROG7qFA+I1JEUeG7gjJE4bumUVjhu6hQ4bq24bqkLyrhuqbhuqQqROG7jMWo4buCOjpBQyrhuqnhu6rhu44yQ+G6pnHhu6pEIEBSRMOSUsag4buoRDtR4buiRGLDlMWoO+G7guG6sETDklLGoOG7qEQ7UeG7okQqUShEOHfhurbhurrhurbDiUThu4zhu7BEO1Hhu5bGr0TDkuG7gkTDleG7sjtEw5JSxqDhu6jhurBEOz/hu6rhu6hQRMOV4buwROG7jOG7sERR4buCUkTDleG7sjtEw5JSxqDhu6hEJEQqP+G7qjvDlFLhu6hEUOG7glLhurBEKlFN4buoRCBSPyw6RMOS4buExq9EIEbhu6pEO8agRMOSRuG7qkThu4wp4buCROG7qFA+I1LhurbhuqQvKuG6puG6pCpE4buMxajhu4I6OkFDKuG6qeG7quG7jjJD4bqmclHDlOG7qkThu44iRMWoUuG7nCxE4buMKeG7gkRx4buE4buoUEThu6ZSxqDhu6hE4bumUeG7quG7gkRR4buu4buMRDvhu6pG4buoROG7jE0sROG6tOG7hWdxOGdiw4LhurBE4bumUeG7qkjhu6hQROG7huG6uMOARDvhu7Thu6hQRDpZROG7jOG7gkThu6hRUuG7nsavRMOSUsag4buoRDtR4buiRDh34bq24bq64bq2w4lEOz/hu5bhu6hEO1HGoERQUkBSRMOVPj3hu4xEKlHhu4Q7RFFS4buc4buoRDtHUkQ44buoUUQgRkQ+QOG7jEQ7U+G7qFFEw5JSxqDhu6hEO1Hhu6JE4buoRjJE4buMUVLGoMavROG7plHhu6pI4buoUEThurzhurDhu4bDgEQ6WUThu4zhu4JE4buoUVLhu57Gr0TDklLGoOG7qEQ7UeG7okRiw5TFqDvhu4JEO0dSRDjhu6hRRDt9ROG7qFBGMkThurgtRcSQL0XEkOG6tuG6pC8q4bqm4bqkKkThu4zFqOG7gjo6QUMq4bqp4buq4buOMkPhuqbhu69mbUThu4w84buoUEThu4xR4buqRMOSUsagO+G6sEQ7NkTFqOG7nEThu4zhu4Thu4xE4buM4buCRMavw4zhu4xE4bqrbeG7rWdiLUXhu4ZEJETFqHvhu4JEOyzhu7RSROG7jj5AUkTDieG6vETDlT494buMRFBRUkThu6hRTuG7qERQUuG7gkQ7w43hu6hQROG7puG7okQ7fUTDlU0sRDtR4buE4buoUEThuqlIMkQgfeG7gkQmLOG7guG6sETDleG7iOG7jETDklLhu5w7RDtHUkThu4zhu4Thu4xE4bumUSxEIFvhu4xE4buMUUssROG6syxEIEZEcksyRHJR4buEUkThuqlU4buoUURiPuG7uOG7qFDhurZEbFAsMuG7luG7qEThu6hRS+G7qETFqEZE4buO4buqROG7qFEi4buoUEThu6hQPiNSRMWoQOG7qEQ7LOG7tFJEUeG7uOG7qEThu4zhu7BEO1Hhu6JEw5VJRMOVPj3hu4xEO1Lhu5bGr0Qg4buC4buM4buMUuG7qMOUROG7qFB94buCROG6q23hu61nYi1F4buGROG6sERR4buq4buI4buMROG7qFEi4buoUEThu6hQPiNSRDs/4buYRDss4bu0UkQ7UeG7gsavRFBS4buCROG7qFFS4buaLERR4buqRztEw5Xhu7Lhu6hQRDFJRFHhu7JSRFHhu7jhu6hE4bumUVLGoOG7qERQUuG7gkQ7w43hu6hQROG7plFIROG7qMON4buoUETFqEsyROG7qFFS4buexq/hurbhuqQvKuG6puG6pCpE4buMxajhu4I6OkFDKuG6qeG7quG7jjJD4bqm4buvZm1E4buMPOG7qFBEw5U+4buCRD/hu4JE4bumUUhE4buow43hu6hQRCBSPyw6RHE4cHEt4bqr4buq4butLcOJRMOVSUQxLEw7RFFS4buc4buoRDtHUkThu4zhu4Thu4xEOz8+I+G7qFBEUeG7ruG7jEThu6ZRUkThu6hQRjJE4buMRuG7qFBEw5VY4buoUERR4buu4buMRDpS4buoUUQ7PyRExahHUkTFqEAqRFHhu67hu4zhurbhuqQvKuG6puG6pCpE4buMxajhu4I6OkFDKuG6qeG7quG7jjJD4bqm4bqp4buW4buoROG7jEfhu6hRRMOV4buw4bqwROG7r2ZtROG7jFHhu6pEw5JSxqA7ROG6vEXDgEQ7P+G7quG7qFBEO+G7tOG7qFBEOllERcOJ4bq4RDs/UuG7nCxE4buM4buCRMavw4zhu4xE4bqrbeG7rWdiLUXhu4ZEw5U+PeG7jERQUVJE4buoUU7hu6hExahGROG7qCJEUFJAUuG6sEQ64buq4buoUEThurzhu4DDgEQ6WUThu4zhu4JEO11EIOG7quG7qFBExahGROG7qOG7gsavRFBSQFLhurbhuqQvKuG6puG6pCpE4buMxajhu4I6OkFDKuG6qeG7quG7jjJD4bqmciwyROG7qFFS4buW4buo4bqwRDs2RMWo4bucRDtdRCDhu6rhu6hQRCRE4buoUeG7sMavRDs/4buW4buoRMOK4bq8RDss4bu0UkTDlUlEUFJIxq9Exq9H4buoUUThu6bhu6JEO31EO1Hhu4Thu6hQROG7hi/DicSQw4nEkEThu6hRI0Thu6hR4buwxq9Ew5VZUkQ7Pj3hu6hQROG7qEYyRMOVPj3hu4xEO1Lhu5bGr0Thu4xRKeG7qFBEIEZEO1Thu6hRRFFU4buoUUThu4xRw43Gr0Q64buw4buMRDp74buMROG7plFWw5REw5U+PeG7jEThu4xIUkQ7UVLhu5zhu6jhurbhuqQvKuG6puG6pCpE4buMxajhu4I6OkFDKuG6qeG7quG7jjJD4bqmclHDlOG7qkThu69mbeG6sETDlcag4buoROG7qOG7gjLhurBE4bq64bq+w4BE4buOS+G7qEQ6WUQ7UcagRFBSQFJEw5VJRMOVPj3hu4xEO1Lhu5bGr0RTO0Thu6hRTDtExq/hu7I7RMWoUuG7mixEIOG7guG7jOG7jFLhu6jDlEThu6hQfeG7gkThuqtt4butZ2ItReG7huG6ti/hurbhuqQvKuG6puG6pCpE4buMxajhu4I6OkFDKjgsO1Hhu6o/Q+G6puG6tHJyduG7rWwv4butUsOUO+G7qOG7gsavK8OC4bqkLyrhuqY=