When Nico and Sara have their video call while he is watching the movie in the garden she is watching on her phone seeing the movie.
The camera view from the side shows her phone with Nico shown on display instead of the movie.
Also while his phone stands behind him arranged to head to the screen and not his face.
The idea that COVID-19 could evolve into a so-called "COVID-23" is a common error. According to the U.S. Centers for Disease Control (CDC), SARS-CoV-2 is the correct name of the virus causing the current pandemic (which evolved from the original SARS-CoV discovered in 2003) and COVID-19 is the disease it causes. Therefore, further evolutions of the virus would be called SARS-CoV-3, SARS-CoV-4 or SARS-CoV-5.
When William is trying to get May out of her car, he smashes the driver's side window out. Seconds later, when the drone shoots him, blood splatters all over the window. However, upon careful inspection, it's the front windshield that gets blood all over it.
On the YouTube videos during the opening credits montage, the like/dislike bar is off center.
At the 17-minute mark, Lita tells Sara that she wants to listen to a song by Celia Cruz. However, the English subtitles say "Ceila."