RESPILON, a nanotechnology company, has launched the RespiPro VK Mask, an eco-friendly mask capable of blocking 99.9% of the bacteria, viruses, and other dangerous particles in the air, offering 30 hours of protection. It is able to physically block these particles because it is made of 0.01 micrometre-wide filter pores and copper oxide technology. The nano-fibre two-way filter masks are reusable and are certified respirators.

Altimmune, a clinical-stage biopharmaceutical company, has expanded its partnership with Lonza, a chemicals and biotechnology company, for the manufacture of AdCOVID, the former’s single-dose Covid-19 intranasal vaccine candidate. Under the expanded agreement, Lonza will provide a dedicated manufacturing suite for clinical and commercial production of AdCOVID at its facility near Houston, Texas.

Experts from the College of American Pathologists have warned about the downside of using at-home Covid-19 test kits that can produce inaccurate results due to mishandling of kits and tests producing adequate sample material. It is also being speculated whether some at-home test kits can detect viral antigens at all, and that a real-time PCR test is most accurate and sensitive for detecting Covid-19.