Traveling abroad requires some health certificates like covid PCR tests and NX Healthcare is the most famous travel clinic in the united kingdom. This clinic has the best technology for providing the best services. NX Healthcare handles hundreds of samples daily at our best-ever certified laboratories because we give accurate findings within 24 hours of sample receipt. If you require any additional information, please contact us at 020 8168 7100 or visit our website at https://www.nxhealthcare.co.uk.