A minister in Phillipines is alleged to have been re-infected after he tested positive for Covid-19 five months after an initial diagnosis, authorities said Monday, August 17, 2020.
Interior Secretary, Eduardo Ano, who is helping to spearhead the country’s virus response, said he returned a positive test on Saturday after experiencing flu-like symptoms last week.
He was first diagnosed with COVID-19 in March, but did not show any signs of the disease at the time.
People infected with coronavirus build up antibodies starting about a week after infection or the onset of symptoms, research has shown.
But scientists are still unsure whether the body systematically builds up enough immunity to ward off a new attack by the virus or, if it does, how long such immunity lasts.
Some studies have shown that patients who recover from coronavirus may lose their immunity within months, or even weeks.