Effective mask use can drastically slow the spread of COVID-19, reduce the magnitude of the pandemic peak by flattening the curve, and reduce the prevalence of severe cases, according to a study. Researchers from McMaster University in Canada developed a model to investigate COVID-19 “variolation” — an incidental but potentially beneficial form of immunization achieved by inhaling smaller doses of the virus than would be inhaled without a mask.
They noted that a form of variolation was deliberately used in the 18th century to control smallpox. It involved infecting a healthy individual with small doses of the live virus taken from a dried scab or pustule of a person infected with smallpox.
Nanosynth Group plc (LON:NNN) is focused on the synthesis and application of nanoparticles. The group uses a patented process developed by Dr Cave at Nottingham Trent University. It has three subsidiaries; Pharm 2 Farm Ltd, nanosynth ltd and Cloudveil.