Aviation industry opposition to requiring mandatory Covid-19 vaccination for passengers intensified as impending drug approvals trigger a debate over their role in air travel.

The global tally of confirmed coronavirus cases hit 60 million on Nov. 25, with the pace of new infections accelerating and the United States reporting record numbers of hospitalizations, according to a Reuters tally.

Australian researchers said the virus that causes Covid-19 can survive on banknotes, glass and stainless steel for up to 28 days, much longer than the flu virus, highlighting the need for frequent cleaning and handwashing.

The widely used BCG tuberculosis vaccine will be tested on frontline care workers in Britain for its effectiveness against Covid-19, researchers running the UK arm of a global trial said.

Ena Respiratory said a nasal spray that the Australian biotech company is developing to improve the human immune system to fight common cold and flu significantly reduced the growth of the coronavirus in a recent study on animals.

Researchers at Australia’s Monash University developed a test for SARS-CoV-2, the virus that causes Covid-19, that can provide results in 20 minutes.

Coronavirus infections rose above 13 million across the world on Monday, according to a Reuters tally, climbing by one million in just five days in a pandemic that has killed more than half a million people.

Australian officials are closing the border between Australia’s two most populous states for an indefinite period as they scramble to contain an outbreak of the coronavirus in the city of Melbourne.

Randall Bolten – longtime Silicon Valley CFO, UC Berkeley Professor and author of the book Painting with Numbers: Presenting Financials and Other Numbers So People Will Understand You – released a research note on updated COVID-19 testing numbers. Broken down by country through May 10, 2020, the United States is not near the top of the pack.

A review of some recently published scientific studies, including researchers at the University of Maryland Baltimore County identifying a single nucleotide that controls two forms of the HIV virus’ RNA.