When and where to mask up 1 week 4 hours 15 minutes ago Friday, May 14 2021 May 14, 2021 May 14, 2021 9:40 PM May 14, 2021 in News - Local Share: While some people in the Rio Grande Valley are feeling relief after the Centers for Disease Control and Prevention announced it’s no longer necessary to wear a face mask if you’re fully vaccinated, some places - such as airports - are still requiring the public to mask up. But even though we are still in a pandemic - and we are making strides to end it - why did the CDC make this decision? "When you're fully vaccinated, you're actually protected from contracting COVID yourself and you're protecting the community as well,” Dr. Luis Ostrosky, an infectious disease specialist at UT Health Houston said. “You cannot transmit it, at least not efficiently."