Berkshire Hathaway sold its entire stakes in the four largest U.S. airlines in April, Chairman Warren Buffett said, stating “the world has changed” for the aviation industry.

A new decontamination system developed by Battelle utilizes vaporized hydrogen peroxide to kill viruses, including SARS-CoV-2, in N95 respirators, and the process can be performed as many as 20 times per respirator.

The founder of hedge fund Elliot Associates thinks today is the “perfect environment for gold to take center stage” and believes its fair value to be “literally multiples of its current price”.

According to South Korean media, national health experts reported that more than 260 COVID-19 patients who tested positive for SARS-CoV-2 shortly after recovering were likely false positive tests rather than reinfections.

Several news items regarding the antiviral drug remdesivir were released over the past days.

A study conducted in Italy detected the presence of SARS-CoV-2 RNA in air pollution particles. The particulate matter that contributes to air pollution can be inhaled, potentially providing an additional mechanism for SARS-CoV-2 infection.

Treatment with the antiviral drug remdesivir does not speed recovery from COVID-19 compared with placebo in hospitalised patients who are critically ill, according to the first randomised trial, published in The Lancet.

The coronavirus pandemic will plunge Germany’s economy into its deepest recession since World War Two, Economy Minister Peter Altmaier said as the government cut its economic growth forecast for this year.

A University of Ottawa study presents a scenario in which the coronavirus first spread from bats to stray dogs eating bat meat.

Researchers at the Assistance Publique-Hôpitaux de Paris (AP-HP) published preliminary results from a COVID-19-study of tocilizumab. The patients that received the drug were significantly less likely to die or require mechanical ventilation.