A medical worker takes a COVID-19 testing sample in Tam Hiệp commune, Thanh Tri district, Hanoi. (Photo: VNA) A suspected COVID-19 case has been redefined as a person who belongs to atleast one of categories:
A suspected COVID-19 case is a close contact (F1) and have at least two ofclinical symptoms including fever, cough, sore throat, runny nose, stuffy nose,body aches, fatigue, chill, decreased or lost taste, impaired or lost sense ofsmell, headache, diarrhoea, shortness of breath, respiratory inflammation.
A suspected COVID-19 case is also a person with epidemiological factors(excluding F1) and having at least two of the above clinical symptoms. A personwith epidemiological factors (excluding F1) is the one who is present on thesame means of transport or at the same place, event, workplace, class, etc.with a confirmed case (F0) currently in transmission period.
A person who has a positive antigen rapid test result for SARS-CoV-2 virus isalso considered a suspected case.
A person coming from active outbreak area(s) is considered a suspected case.
Meanwhile, a confirmed COVID-19 case (F0) is one belonging to one of thefollowing categories:
A confirmed cases is a person who has tested positive for SARS-CoV-2 bydetection of viral genetic material (PCR).
A confirmed case is a close contact (F1) and have a positive antigen rapid testresult for SARS-CoV-2.
A confirmed case is a person with clinical signs of suspected COVID-19.
A confirmed case is a person who has a positive antigen rapid test result twicein a row (2nd test within 8 hours since the 1st test result for SARS-CoV-2virus and has epidemiological factors (excluding F1).
The ministry also provided definition of a close contact (F1). Accordingly, F1is a person who has direct physical contact including shaking hands, hugging,kissing, direct skin-to-skin contact, body contact with a confirmed COVID-19case (F0) during the transmission period of F0.
A person is defined as F1 if she/he still wore a facial mask while havingcontact, communicate within two meters or in the same narrow, closed space andfor at least 15 minutes with the confirmed case in the transmission period ofF0.
A person is called F1 if she/he wore no mask when having close contact orcommunication within two meters or was in the same narrow, closed space with F0during the transmission period of F0.
Person who directly provides care, examination and treatment for a confirmedcase (F0) during the transmission of F0 without adequate use of personalprotective equipment (PPE) is F1 too.
The transmission period of the confirmed case is calculated from two daysbefore the onset of the disease until the test result is negative or the CTvalue is >30.
For the confirmed case without symptoms, the transmission period is calculatedfrom two days before the date the sample is collected and tested positive forSARS-CoV-2./.
VNA
