Asymptomatic

Molecular biology tech, Sarah Corcoran, prepares SARS-CoV-2 samples as part of the RNA sequencing process at Ohio State University, where the Omicron variant of coronavirus was recently identified in several samples from Ohio, in Columbus, Ohio, US, December 13, 2021. Photo :Reuters
Coronavirus chronicle

Omicron thrives in airways, not lungs; new data on asymptomatic cases

Compared to the earlier Delta variant, Omicron multiplies itself 70 times more quickly in tissues that line airway passages

WHO Director General Tedros Adhanom Ghebreyesus. Photo/BSS
Coronavirus chronicle

Fully vaccinated people asymptomatic if infected with Covid delta variant, says WHO

60% Covid-positive children found asymptomatic
Covid-19 in Bangladesh

60% Covid-positive children found asymptomatic

File photo: Unicef
Coronavirus chronicle

One-third of children with Covid-19 have no symptoms of infection

A health working checking blood samples. Photo: BSS/AFP
Coronavirus chronicle

Asymptomatic virus sufferers lose antibodies sooner: study