A new study carried out using existing laboratory test data shows that people who had a positive PCR test for Covid-19 but a negative serology test, meaning that they did not produce detectable antibodies, still had a significant amount of protection from reinfection.
Threadworm (E. vermicularis ova)
|Category||Bacteriology Medical Microbiology|
|Reporting frequency||TAT 2-3 days|
If an adult worm is collected from a patient, send in saline or water for identification. Cotton wool swab in dry container can also be used.
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