He suffered from COVID for over four hundred days. Researchers Provide Explanation

Some countries without access to vaccines, vital employees who keep people
safe and economies running, and those who are immunocompromised and at
higher risk of catching COVID-19 have had to take refuge from the viral
storm while it has raged for years.

Additionally, those with compromised immune systems due to illness or
medical treatments like chemotherapy are more likely to acquire infections
that continue for months, giving the virus ample opportunity to evolve.

Using an implant that reads brainwaves, a paralyzed man who cannot speak
could spell out 1,150 words.