US President Joe Biden tested positive for COVID-19 on Thursday and is experiencing "very mild symptoms," the White House said.
From lowering infant mortality rates to creating effective vaccines and reducing deaths related to disease, science helps increase lifespan by almost three decades.
US President Joe Biden tested positive for COVID-19 on Thursday and is experiencing "very mild symptoms," the White House said.
From lowering infant mortality rates to creating effective vaccines and reducing deaths related to disease, science helps increase lifespan by almost three decades.