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Spread of Delta variant likely to ‘outmatch’ supply of vaccines, HSE boss warns

Cases of the Delta variant are set to peak in August.


Paul Reid, CEO of the HSE (Brian Lawless/PA)

Paul Reid, CEO of the HSE (Brian Lawless/PA)

Paul Reid, CEO of the HSE (Brian Lawless/PA)

The spread of the Delta variant is likely to “outmatch” the supply of vaccines over the coming weeks, HSE boss Paul Reid has said.

Vaccine supplies are set to dip in July, in tandem with a rise in cases of the Delta variant, which are set to peak in August when they will account for 90% of Covid-19 cases.

Mr Reid urged the public to treat the threat with “real caution”, particularly those who have not yet been vaccinated or who are only partially vaccinated.

The pace of growth of the Delta variant will most likely outmatch our supply of vaccines over the coming weeksPaul Reid, HSE chief executive

He told a briefing on Thursday: “There’s no doubt we’re actually in a very real race to get the vaccines out ahead of the potential increase in the spread of Delta.

“We’re closing the gap every day, with more and more vaccines being administered.

“We should take good confidence and assurance from that.

“But the most likely scenario is that the pace of growth of the Delta variant will most likely outmatch our supply of vaccines over the coming weeks.”

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He added: “Our supply lines for the next while do dip down through July, and there’s no doubt that the cases of the variant will increase.

“My main point is the caseloads will increase. We’ll keep vaccinating people and are closing the gap, but there will be rising cases, rising variants, rising Delta cases, potentially raising hospitalisations.

“So we won’t have people vaccinated, there’s a gap there, there’s an exposure there, and people need to treat it with real caution.”

The briefing heard that if the daily case count gets high enough, it could also pose a risk to vaccinated people.

“We also know that variants spread prominently amongst those who are not fully vaccinated,” Mr Reid said.

“A proportion of those who may be fully vaccinated can also come under threat.”

HSE chief clinical officer Dr Colm Henry said that while the vaccination programme has weakened the link between case numbers and hospitalisations, “it isn’t broken”.

“That floodwall is breachable. If there’s enough cases, there’ll be enough vaccine breakthroughs in fully vaccinated people,” he said.

“If there’s enough cases, those who are unvaccinated will get the greater numbers of those cases.

“Even low vulnerable groups will get Covid-19 and eventually some of those will become ill.

“That’s what we’re seeing in hospitalisations in the UK. In Scotland, for example, over a five-week period, hospitalisations went up from nine per day to 35 per day.

“To be hospitalised you have to be fairly sick. ICU is steady at the moment but we were used to seeing that lag time in our own experience, between the rise in cases, then to hospitalisation, and then to ICU and deaths.

“The difficult answer is it’s too early to say, but the rapidly rising number of cases is definitely not good news, and definitely not reassuring.”

Mr Reid said the number of cases of the Delta variant is likely to peak in August.

“We know we won’t have all of the adult population vaccinated by then,” he added.

“In essence, the cases are rising before we have caught and vaccinated this significant element of the adult population.”

“That’s why we’re really being straight with the public. The next few weeks is an exposure, because we won’t have everybody vaccinated, and we will see rising cases, so it’s to be really careful.”

The vaccine programme is currently open to people in their 30s, but it is likely to take four weeks for that cohort to receive their first doses, the briefing heard.

People in their 20s are likely to receive their first dose in August and their second dose in September.

People who are fully vaccinated who become a close contact of a positive case will no longer have to self-isolate, provided they are not showing symptoms.

However, a fully vaccinated person who becomes a close contact and has Covid-19 symptoms must self isolate, the HSE said.

There are roughly 100,000 people in the 60s age cohort who are yet to be vaccinated, but they should receive their jabs by the end of next week.

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