How Will We Know When We Reach Herd Immunity?
Wearing masks will be a necessary safety measure for many months to come.
COVID-19 Vaccines Might Be Changed to Fight New Versions of Virus
Vaccination programs are in full swing.
Global Warming Causes Earlier Pollen Season
Pollen season across the United States and Canada has been starting earlier
California Nurse Follows Mother’s Footsteps in Fighting Pandemic
Nurse practitioner Sigrid Stokes, 76, follows in her mother’s footsteps.
The New Health Trend: Fermented Foods
Jars of home-made fermented foods
Does Wearing Two Masks Provide More Protection?
The CDC recommends wearing a cloth mask made from two or more layers.
Study: AstraZeneca Vaccine Greatly Reduces Virus Transmission Rate
A person receives the Oxford/AstraZeneca coronavirus vaccine at an NHS vaccination center in York, Britain.
J&J One-Shot Vaccine Effective in US, Less so in South Africa
Johnson & Johnson shows the COVID-19 vaccine
Fast-spreading Coronavirus Variants Raise Concerns
A health worker is inoculated with a COVID vaccine
The Monarch Butterfly Population Is in Danger of Disappearing
A monarch butterfly