Two Large Cities in the United States Claim Herd Immunity Reached
San Francisco and Seattle proudly claimed they had achieved herd immunity for the pandemic virus. A week ago, the mayor […]
San Francisco and Seattle proudly claimed they had achieved herd immunity for the pandemic virus. A week ago, the mayor […]
Most of us have flown overseas. Most of my operational missions were at least a thousand miles from the nearest
Yesterday, Pfizer announced their phase III clinical trials for a coronavirus vaccine was 90% effective. Other than a few details,