Cristiano Ronaldo has coronavirus | Univision Health News — Archyde

The case of a Nevada man who became the first confirmed American to be infected twice with coronavirus raises questions about how long people can be protected after being infected and how effective a vaccine could be, according to a new study published in the journal The Lancet. Dr. William Schaffner, an infectious disease expert…

Cristiano Ronaldo has coronavirus | Univision Health News — Archyde
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