“It is a self-inflicted wound, as a result of we are able to stop all of these hospitalizations and deaths — or at the least 98, 99% of them — if we are able to encourage vaccination,” Dr. Peter Hoztez, a vaccinologist and dean of the Nationwide College of Tropical Medication at Baylor School of Medication, informed CNN’s Jim Acosta on Thursday.But, regardless of the warnings from well being specialists, the each day tempo of individuals turning into totally vaccinated retains falling. Solely 48.8% of the US inhabitants is totally vaccinated, and the seven-day common tempo is round 252,000. The common hasn’t been above 500,000 totally vaccinated folks per day since July 5, based on CDC information. “We’re all considering that one other surge is probably going,” mentioned UC Davis Medical Middle Director of Crucial Care Christian Sandrock mentioned in an announcement Thursday. “It’s scary. I do not suppose we’ll return to the worst we have seen, because of the vaccine, nevertheless it’s laborious to inform.”UC Davis epidemiology professor Lorena Garcia mentioned the affect might be extraordinarily devastating on rural communities with decrease vaccination charges and restricted entry to care.In Missouri, extra personnel and tools are being despatched to Springfield and Greene County to help the native healthcare system, Missouri Governor Mike Parson introduced Thursday.Some areas are returning to masks in hopes of slowing the unfold. In Texas, Harris County Choose Lina Hidalgo warned that the area is “at the start of a probably very harmful fourth wave of this pandemic” and raised the menace stage from yellow to orange, urging group members to put on masks. “So, I do know they’re uncomfortable, I do not like carrying masks both, however till we get the numbers again down, let’s all put on masks once more,” mentioned the decide of the county that features Houston.The CDC nonetheless recommends that unvaccinated folks put on masks, however the selection is as much as the person if they’re vaccinated, Director Dr. Rochelle Walensky mentioned Thursday. “In case you are vaccinated, you get distinctive safety from the vaccines, however you could have the chance to make the private selection so as to add further layers of safety in case you so select,” she mentioned.Specialists specific concern even for vaccinated AmericansExperts are warning that even people who find themselves vaccinated must be involved concerning the surge. “If there’s every kind of virus round you, in case you’re in a group with a variety of virus, then as a result of these vaccines will not be 100%, it’ll affect you,” CNN Medical Analyst Dr. Leana Wen informed CNN’s Anderson Cooper on Thursday.At the moment of the summer season, transmission charges must be low, CNN’s Chief Medical Correspondent Sanjay Gupta mentioned, talking on the identical present. Within the heat climate of July, individuals are primarily socializing outdoors, the place the virus is much less prone to unfold, he mentioned.Come the drier, colder climate of the autumn and winter, transmission charges may go up much more, Gupta added.”So, this might be pretty much as good because it will get at the least for a time period,” he mentioned. For people who find themselves vaccinated, their immune system is a lot better geared up to guard them towards the virus, however it’s not good, Gupta mentioned. Some won’t get signs if they’re contaminated, however some may find yourself being protected against hospitalization and nonetheless get sick, he mentioned.Wen in contrast vaccination to carrying a seatbelt: it’s a essential layer of safety, however it’s not foolproof towards the reckless conduct of others.”However saying that does not imply undermining confidence in seatbelts, it simply saying that the alternatives that different individuals are making affect us too,” Wen mentioned. Vaccine effectiveness towards DeltaWalensky mentioned Thursday that the Delta variant is an “aggressive and rather more transmissible” pressure of the virus.It is without doubt one of the most infectious respiratory viruses we all know of, and I’ve seen in my 20-year profession,” Walensky mentioned at a White Home COVID-19 Response Crew briefing.The unfold of the variant makes vaccination much more vital, Walensky mentioned.”In case you are not vaccinated, please take the Delta variant significantly. This virus has no incentive to let up, and it stays in quest of the subsequent susceptible particular person to contaminate,” she mentioned.Based on CDC information launched earlier this week, the Delta variant represents an estimated 83% of all coronavirus samples sequenced within the final two weeks. The excellent news is information exhibits vaccines are working as they did in medical trials towards the variant, Walensky mentioned.The Los Angeles County well being director referred to as the Delta variant a “game-changer,” as about 20% of the roughly 4,000 new circumstances reported within the nation in June have been amongst totally vaccinated folks.Most individuals who have been vaccinated skilled solely delicate signs, Well being Director Barbara Ferrer defined. Whereas circumstances are additionally rising amongst vaccinated folks, the rise is way smaller and far slower than it’s in unvaccinated folks, Ferrer mentioned, including that unvaccinated folks face greater than 5 occasions the chance of vaccinated folks. She mentioned the county’s case price could be increased have been it not for the variety of vaccinated residents.CNN’s Sarah Moon, Raja Razek, Carma Hassan, Virginia Langmaid and Cheri Mossburg contributed to this report.