ሚኒስትሩ እንዳሉት የቅርብ ጊዜዎቹ ጥናቶች ክትባቱን ከወሰዱ ከ 28 ቀናት በኋላ ከ COVID-19 ለመከላከል እንደሚወስዱ ተናግረዋል ።
According to the latest scientists, the incubation period can last up to 28 days before the symptoms of COVID-19 become apparent.