does it come with a shut off switch? Pentagon scientists invent microchip which senses COVID-19 in the body Scientists working inside the Pentagon have developed a microchip, contained in green gel (pictured) which is inserted below the skin and senses COVID-19 in the blood. Post navigation Mexican wrestlers “HELP” elderly get vaccinations Fauci: ‘It’s still not ok’ for vaccinated Americans to eat and drink indoors.