At 1:39:12 right after Sister Cecilia is bit she is holding her face and her hand and face are covered in blood. The next scene her face has no blood on it and her hand has just a small drip of blood on it.
During the motorcycle chase, the cat is tossed about wildly in the carrier on the back of the bike. It would certainly not have survived such a bashing, yet emerges rather calmly.
The movie is presenting a news story regarding the closure of the border between "Europa" and Russia. There is no such border. The movie is confusing Europe with the European Union.
At around 25:44, when the policeman shoots an infected heading to Manel, there is blood splashing not only on his face but also on his teeth; Manel should now be infected.
The distance from Vigo to the Canary Islands is 1100 miles or 1680 Kms. That Airbus H160 model helicopter has a range, when fully fueled, of 530 miles. There is no way a fully loaded craft would get that far.