CDC wastewater also shows the XFG variant — nicknamed stratus — is most common in the U.S. Stratus can cause a “razor blade” ...

The new strain is now dominant in the U.S. and the number of cases is rising in what’s being called a typical late summer ...

Por DEVI SHASTRICalor de verano, diversión al aire libre… ¿y síntomas de resfriado? Es posible que estos tres elementos no ...