False. Covid-19 is a real disease caused by the SARS-CoV-2 virus, which has been isolated many times. Many infectious agents, or germs, do cause diseases in humans. This has been proven many times. 1 ...

In 19th-century France, the young chemist challenged the theory of spontaneous generation and discovered an invisible world ...

Besides providing a healthy renewal of mind and spirit, a summer vacation makes good antimicrobial sense, especially when you consider that typical workplace desktop has more germs than a public ...