IN Hong Kong checks on hamsters reveal the widespread use of face masks reduces transmission of the lethal coronavirus. Analysis by the College of Hong Kong is among the first to particularly examine whether or not masks can cease symptomatic and asymptomatic Covid-19 carriers from infecting others.
The analysis workforce led by Professor Yuen Kwok-yung positioned hamsters that had been artificially contaminated with the illness subsequent to wholesome animals. Surgical masks had been positioned between the 2 cages with airflow travelling from the contaminated animals to the wholesome ones. The researchers discovered non-contact transmission of the virus may very well be decreased by greater than 60 per cent when the masks had been used and two-thirds of the wholesome hamsters had been contaminated inside every week if no masks had been utilized.
The an infection fee plunged to simply over 15 per cent when surgical masks had been placed on the cage of the contaminated animals and by about 35 per cent when positioned on the cage with the wholesome hamsters.
“It additionally defined why common masking is necessary as a result of we now have identified that a lot of these contaminated don’t have any symptom.”
Beforehand, the World Well being Organisation and plenty of different international well being authorities dismissed utilizing masks broadly among the many public, saying they need to as a substitute go to frontline medical staff.
Specialists have credited widespread masks use in addition to environment friendly testing, tracing and therapy within the metropolis of seven.5 million for the comparatively low numbers.