من الأشهر اليوم؟

by Dr. Charles Greenidge COVID-19 is not a single virus, but a family of viruses. Every infection represents a new generation. The virus changes with each generation, often improving its ability to infect. The important ones are being named; Alpha, Beta, etc. The worrisome one now is the Delta. It’s infectivity ie it’s ability to […]
This article Think About It ! appeared first on St. Lucia Times News.