As official toll mounts, true COVID death figure elusive
Secondhand smoke exposure linked to odds of ADHD symptoms
21 May 2021Pfizer-BioNTech pledge 2B doses to less wealthy nations
21 May 2021As official toll mounts, true COVID death figure elusive
While the official number of deaths from COVID-19 has topped 3.4 million globally, experts say this is undoubtedly an underestimate.
