Almost a thousand Chileans have already been vaccinated; a doctor refuses to wear a mask and accuses “coronamania” and a Pfizer vaccine could be authorized Thursday in Chile; three things we learned about the coronavirus this week

[ad_1] About 1,000 Chileans have already been vaccinated against Sars-CoV-2 virus. All are volunteers of the tests that different laboratories are carrying out in the country. More than 700 correspond to the candidate vaccines of the pharmaceutical Janssen, from the laboratory of Johnson and Johnson, the first to start testing …

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