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  1. PatJ

    A pulse oximeter can detect early signs of Covid pneumonia

    This article on the New York Times explains how a pulse oximeter is an important tool for monitoring the health of covid patients, and even for people who didn't realize they were infected: The infection that's silently killing Coronavirus patients. Here are some extracts from the article. I've...
  2. roller

    covid19 - the environmental factors for virus

    the temperature, the "weather", clouds, rain, return to the soil and right into our freshwater supplies ... everything can spread and contribute to virus survival - but also destroy it... makes wonder, if "the normal social interaction" is even the least successful vehicle for a virus...