Dr. Bartley Cryan:

The proof of this particular pie is in the eating. The European Centre for Disease Prevention and Control, ECDC, the Infectious Diseases Society of America, IDSA, the Centers for Disease Control and Prevention, CDC, in the US and the equivalent bodies in the UK, which are all highly reputable, agree on the two-tier approach to diagnosis and the treatment regimens. It was mentioned the testing was limited in this country