Tonix Pharmaceutical, a clinical-stage biopharmaceutical company, has reported positive efficacy results for modified live coronavirus vaccine candidate TNX-1800 in non-human primates. The immunogenicity and protective efficacy of a single dose of TNX-1800 were evaluated at two dose levels. The research found that all the animals vaccinated with TNX-1800 had undetectable SARS-CoV-2 in their upper and lower airways six days after challenge with SARS-CoV-2.

Australia has requested one million vaccines from AstraZeneca and the European Union (EU) to fight a Covid-19 surge in neighbouring Papua New Guinea. Australian Prime Minister Scott Morrison has stated that the country will divert doses of the vaccine ordered and paid for to curb the virus crisis on the island-state. Papua New Guinea has registered over 1,000 new Covid-19 cases since 1 March 2021, almost doubling the number of infections in the country since the start of the pandemic a year ago.

Cloud communications provider Twilio has announced that one billion people will receive Covid-19 communications using its tech within two years to accelerate the pace of vaccine rollout and distribution. The company has received $11m in funding to support local and global efforts to provide equal access to vaccines, particularly for under-served communities.