asjim reid reports.ts agree testing for this virus is critical, part of the way we can save lives and break out of the lockdown. we have a simple message for all countries, test, test, test. there are two main types of test for coronavirus, at the moment we are using something called a pcr test, normally taken with a swab, these look for genetic material related to the virus. you're asking the question, does that person had the virus in their system at the time of the test? to detect the genome of the test? to detect the genome of the virus itself. pcr testing can tell if someone currently has the virus, crucial for both tell if someone currently has the virus, crucialfor both patients tell if someone currently has the virus, crucial for both patients and health care workers. but it needs to be analysed in a laboratory, that it ta kes be analysed in a laboratory, that it takes time and is expensive. it needs skilled staff and chemicals called reagents which are in short supply. that's one reason why many

there is confusion about what that means and how it might be achieved, asjim reid reports. virus is critical. part of the rubicon save lives and break out of the lockdown. we have a simple message for all countries — a test, test, test. there are two main types of tester for coronavirus. at the moment, we are using something called a pcr test. these look for genetic material related to the virus. you are asking the question, does a person have the virus in their system at the time of the test? it detects the rna genome of the virus itself. so detects the rna genome of the virus itself. 50 pcr testing can tell someone currently has dividers, crucial for both patient and health ca re crucial for both patient and health care workers. but it needs to be analysed and a laboratory. that ta kes analysed and a laboratory. that takes time and is expensive. you need to skilled staff, and chemicals called reagents, which are in short supply. that is one reason why many countries have struggled to increase testing rates. some, like south korea, have moved much faster than others. testi