A report on the origins of Covid-19 by a U.S. government national laboratory concluded that the hypothesis of a virus leak from a Chinese lab in Wuhan is plausible and deserves further investigation, the Wall Street Journal said on June 7, citing people familiar with the classified document.

A previously undisclosed intelligence report by the U.S. State Department shows that three scientists at China’s Wuhan Institute of Virology received hospital care in November 2019 for influenza-like symptoms. The findings were on a State Department fact sheet that said they went to the hospital “with symptoms consistent with both Covid-19 and common seasonal illness.”

India’s total Covid-19 cases passed 18 million on April 29 after another world record number of daily infections, as gravediggers worked around the clock to bury victims and hundreds more were cremated in makeshift pyres in parks and parking lots.

The U.S. State Department will boost its “Do Not Travel” guidance to about 80 percent of countries worldwide, citing “unprecedented risk to travelers” from the Covid-19 pandemic.

Three U.S. senators introduced a resolution in support of a moratorium and other limits on gene editing embryos.