The antibodies are usually detectable 14 days after the onset of the infection.In early April, the UK found none of the antibody test kits it purchased were sufficiently good to use.
Kingamwili kwa kawaida hugunduliwa siku 14 baada ya kuanza kwa maambukizi. Mapema mwezi Aprili, Uingereza iligundua kuwa hakuna vifaa vya kupimia kingamwili ambavyo ilinunua vilikuwa vyema vya kutosha kutumia.