PCR ( Corvid-19) Testing before Flying back to the UK

Hello Friends,

I need to know before we fly back to the United Kingdom,

where and how much do the PCR (Corvid-19) tests 

cost in Pernera?

I am aware of one Pharmacy next door to the

Mexican restaurant  but I do not know if they provide these tests...

Looking forward to your replies.

Thank you,

Keith.

....