In February, President Trump claimed that reinforcing the border wall would prevent the virus from entering the U.S., but COVID-19 was already beginning to spread in the states. “I don’t think the virus checks on borders.”   Tim Steller, The Arizona Daily Star   Before the novel coronavirus claimed its...

Americans have become acutely aware of the COVID-19 pandemic caused by a wild bat virus that found a home in the cells of the human respiratory system. The virus enters when we inhale respiratory droplets sneezed or coughed by an infected person. Mercifully, it cannot remain infectious for more than...