positive

Fewer COVID-19 infections detected in women taking certain vitamins, study claims

Flu shots have been linked to a drop in COVID-19 infections, and scientists aren’t sure why

Health authorities maintain a control center to follow up on COVID-19 cases

Chivas. Uriel Antuna underwent a second PCR test

Molecular test on Miguel Romero confirms positive for COVID-19

Tigres invented covid-19 for Diente López: Eduardo Vargas

US hits pandemic milestone with more vaccinated than fallen

Olimpia footballers Edrick Menjívar and Javier Portillo test positive in a PCR test for Covid-19 – Diez

Four people arrive in Colombia with a positive covid test – Government – Politics

Two travelers arrived in Colombia with a positive test for coronavirus – Government – Politics