The health authority in the southern Chinese province of Guangdong said on Thursday that one case of a human being infected with the H5N6 strain of bird flu has been reported in the city of Dongguan.
The upcoming influenza season in Europe could be severe for the elderly and those with weak immunity, the EU's public health agency warned on Tuesday, adding that it could put a greater burden on health systems already strained by the COVID-19 situation.
A jump in the number of people in China infected with bird flu this year is raising concern among experts, who say a previously circulating strain appears to have changed and may be more infectious to people.
The following is a summary of some recent studies on COVID-19. They include research that warrants further study to corroborate the findings and that have yet to be certified by peer review.
Researchers in the Netherlands are developing laser technology to enable "virtually painless" injections without needles in what they call a breakthrough that will ease fear and lower the threshold for vaccinations.