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Urgent proactive steps needed to manage Covid surges

We need to move a large part of Covid management out of the hospitals so that the hospitals can concentrate on the more ill patients


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There is light at the end of the tunnel!

Our vaccination programme has accelerated to over 400,000 shots per day, and already some five million Malaysians have received both shots and another five million have taken the first.

The ministries that have procured and are delivering these vaccines to the people deserve credit. They are doing a good job in ramping up vaccinations. This is a good sign for the nation – it means we have the institutional capacity to design and deliver effective programmes when the cabinet commits to them.

However, the end of the tunnel – the attainment of 80% vaccination cover for our population – is still several months away. (80% of 38 million is 30.4 million – the virus does not discern between citizens and the six million migrant workers in the country.)

There is therefore a real possibility we will witness more surges of Covid infections in places outside the Klang Valley in the next few months as we have not achieved the vaccine coverage level we need to prevent an explosive growth of clusters.

The genie is out of the bottle, and our current movement control orders will not be able to put it back in! It will take much stricter and prolonged movement restrictions to achieve that, but that would hurt the economy and the livelihoods of many Malaysians. We do not have the social capital to embark on such a course. People are already quite irate!

The high number of ‘sporadic’ cases is a clear sign that the virus is circulating in the community. As bringing down the daily infection rate to two-digit figures is not within our reach, people must continue to strictly observe physical distancing, double masking and avoidance of crowds for a few more months until we get 30.4 million people vaccinated. Interstate travel should be avoided.

This is certainly not the time to let our guard down. The attempt by the Ministry of Health (MoH) to paint a rosy picture by breaking down newly diagnosed cases by clinical categories is poorly conceived. A person who is category 1 on the day of diagnosis could quite easily deteriorate to category 4 by the end of that week and to category 5 by midway through the second week of symptomatic illness!

It would be more helpful to the public if the ministry includes a breakdown by category of the cohort of patients diagnosed three weeks prior as part of the statistics released daily. That would give the truer extent of the problem and motivate people to observe the safety precautions. My assessment is that about 20% of cases go into category 4 and require oxygen, 4% progress to category 5 and about 1.5% die.

So, as the spectre of future spikes is still high, all our states need to prepare for the real possibility that they might suddenly be beset by a surge in cases.

Phases of Covid infection

To prepare for the proper care of Covid cases in the event of a surge, we first need to understand how the Covid infection unfolds in infected persons and how best to curtail morbidity and deaths.

There are two distinct phases in the first three weeks of Covid infection.

The first phase is when the virus multiplies in the body, causing fever, headache, cough, body aches and several other symptoms. This ‘viraemic’ phase lasts for about five days before the patient’s immune system produces the antibodies and the killer lymphocytes that attack and smother the virus particles, thus blocking the virus from infecting new cells. In about 80% of the cases, the illness ends here, and the patient recovers.

However, in about 20% of the cases, the patient goes into the second phase – the immune system goes into overdrive (the ‘cytokine storm’). This overreaction causes damage to the patient’s vital organs – lungs, heart, kidneys and brain. We are still not too sure why this happens, but the effects of immunological ‘exuberance’ can be worse than the initial damage by the virus itself. The overactive immune system also disrupts the normal clotting mechanism in the patient resulting in multiple small clots forming in many organs, further damaging these organs.

Doctors treating Covid cases have found that early treatment can limit the damage caused by the immunological phase of a Covid infection. Steroids can dampen down the ‘cytokine storm’ and low molecular weight heparin can reduce the tendency to form clots in the blood vessels.

However, these interventions have to be given before multiple organs have been damaged. You have got to catch the ‘cytokine storm’ early and nip it in the bud.

Early intervention will reduce the need for ICU admission. Waiting for the patient to develop oxygen desaturation before initiating steroids and heparin is late. For best results, we need to look for the early signs of the cytokine storm and abnormal clotting – and these can be found through blood tests. The cytokine storm will consume cytokines (obviously) – and the levels of a group of substances in the blood – the complements – will drop. Similarly disseminated clotting all over the place will consume platelets and clotting factors such as prothrombin, and result in elevated D-dimers (a breakdown product arising from clots within the bloodstream).

You might wonder why not start the steroids and the heparin the moment Covid is diagnosed. We can’t, because we need the immune system to bring the viraemic phase under control – and in 80% of cases, the body knows when to stop.

So, our strategy should be to identify as early as possible the 20% of cases who will move to the second phase – the immunological phase of the illness.

The immunological overreaction usually kicks in at about one week after the start of the viraemic phase. But we cannot use the date of onset of symptoms to determine when the viraemic phase started. Some people have very minor symptoms during the viraemic phase and then develop devastating complications in the subsequent immunological phase. This, I think, is the reason behind the spate of brought-in-dead cases. Their immunological overreaction caused a life-threatening complication, eg a heart attack or pulmonary embolism although their initial illness was relatively mild. The incidence of this phenomenon seems to be higher with the current variants in the population.

We have to arrange for the management of any future surge in Covid infections based on this understanding of the natural history of the illness and the fact that when a surge occurs, admitting every case to hospital is not an option as we would soon run out of hospital beds.

Action plan

First, we need to build capacity for outpatient screening for Covid. This should be by a drive-through method as that will reduce exposure of other people to suspected Covid cases. People who suspect they have a Covid infection should call their nearest Covid assessment centre to get an appointment to come for a drive-through nasal swab test or a saliva antigen test. If they do not have their own transport, then the centre should send a mobile lab team to collect the sample. The rapid antigen test that looks for specific Covid antigens is good enough to make the diagnosis in this pandemic setting. The RNA PCR test (which has a mechanism to multiply the viral ribonucleic acid or RNA) is more sensitive, but takes far longer (24 to 48 hours compared to four to six hours for the antigen test) for the result to be known.

Ideally, all diagnosed cases should have a blood test done to assess complement levels, platelet counts, prothrombin time and D-dimer levels. As we do not want these patients to come to hospital for their tests, we need to send properly attired mobile units that can go to their homes, draw their blood, take nasal swabs for household contacts, and teach them how to take their own pulse rate. Personnel protective equipment is of crucial importance here, because this is the phase when Covid patients are emitting the most virus. By the time Covid patients develop immunological overreaction and get admitted to hospital, their viral load is much lower and they are far less likely to transmit the infection to others.

Those who are asymptomatic or minimally symptomatic can be allowed to quarantine at home together with their household contacts. Theoretically it would be ideal to quarantine all the household contacts separately but that would require a lot of resources, and it is uncertain how helpful such a practice would be in reducing intra-household transmission. It appears Covid patients start emitting the virus about 24 hours before the onset of symptoms. And it usually takes another 24 hours or more after the onset of symptoms before the diagnosis is confirmed by tests. This means that household contacts are exposed to the virus for over 48 hours prior to any attempt to isolate the index case in that household. Is isolating family members separately worth the effort? MoH data comparing the rate of household transmission in patients who were removed to quarantine centres with that of patients asked to quarantine at home would be useful in deciding this issue. Can we get some epidemiologists in our universities to look through MoH data to quickly throw some light on this issue? We should be guided by the empirical data for this. My gut feeling is that separate isolation of household contacts will not reduce transmission rates to household members significantly. Perhaps we should still offer older family members who are not fully vaccinated the option of a single-room hotel stay for a week.

The Covid assessment centres should follow up over the phone every day with patients in home quarantine. The centres should set up teams including general practitioners, retired doctors and nurses who would each be assigned 10 to 20 patients to follow up with them every day over the phone. The caller should screen for danger signals – shortness of breath, a heart rate of over 110/min, confusion or persistence of symptoms for over a week. The caller should also ask about the situation of other family members in the household and whether any essential provisions are needed, eg long-term medicines that family members are already on. There must a simple format to report back to the coordinator of the home quarantine programme at the Covid assessment centre. A mechanism should also be set up to deliver essential provisions to the homes of patients in quarantine, if required – perhaps Rela or even the army can be involved in this. If the patient being monitored at home develops any of the danger signs, he or she needs to be brought to the next level of care for assessment.

The next level of care would be the makeshift hospitals that have been set up in convention halls, schools and stadiums. More such venues should be prepared in other states. Here clinical examination, pulse oximetry, blood tests (including those mentioned above) and if warranted, a chest X-ray would help ascertain whether they have pneumonia (would make them category 3). The national TB control programme had a number of mobile X-ray units mounted in specially designed ambulances. We should quickly procure a few of these to service the field hospitals. Category 3 cases can be managed as inpatients in the makeshift hospitals.               

If the patient has a low oxygen saturation (hence qualifying for category 4) or any laboratory evidence of immunological overreaction, he or she will require immediate treatment should start at the field hospital itself – oxygen therapy, steroids and low molecular weight heparin as indicated – while admission to a hospital is arranged.

Being prepared for possible surges

It would not be an overreaction if the authorities to make the above preparations. Much effort would be required to ramp up the capacity of the Covid assessment centres. More staff would need to be hired to handle each of the various responsibilities described above. Current standard procedures will have to be upgraded to meet the new responsibilities of the centres. The aim is to move a large part of Covid management out of the hospitals so that the hospitals can concentrate on the more ill patients. This strategy also is aimed at catching the deteriorating patients early so that their slide to a more critical stage of the illness can be stemmed.  

We need to develop these capacities now, so that if a surge happens, we have the ability to handle it. Our case fatality rate or CFR – the percentage of diagnosed Covid cases who die – has soared from 0.4% in 2020 to about 1.8% currently. Part of the reason for the higher rate now could be that the current strains are more vicious. But the fact that our hospitals are overloaded and treatment to dampen the cytokine storm does not start soon enough is also a factor. 

Let’s take all the steps we can to reduce ICU admissions and bring down the CFR to its 2020 level. The government has shown that it can implement programmes effectively if it sets its mind to it – witness the vaccination programme. Let’s hope some of the above suggestions are acted upon – they would save us a lot of pain!

The views expressed in Aliran's media statements and the NGO statements we have endorsed reflect Aliran's official stand. Views and opinions expressed in other pieces published here do not necessarily reflect Aliran's official position.

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Dr Jeyakumar Devaraj, a long-time Aliran member and contributor, served as Member of Parliament for Sungai Siput from 2008 to 2018. A respiratory physician who was awarded a gold medal for community service, he is also a secretariat member of the Coalition Against Health Care Privatisation and chairperson of the Socialist Party of Malaysia.
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27 Jul 2021 12.58pm

Here’s a simpler solution: Virucides kill the virus – the earlier they are used, the lesser the viral load

They are readily available & safe, & they work:



Bangladesh: https://www.bioresearchcommunications.com/index.php/brc/article/view/176/159

Video: https://youtu.be/wSqT6vHTMzg?t=68

Dr Ricardo Persaud, ENT Surgeon Consultant:

Virucides rid us of the virus from our nose, mouth & throat, just as soap does for our hands.

Paul Lim
Paul Lim
25 Jul 2021 1.47pm

Very good account which a lay person can understand. Are there concerned doctors in the private sector who are willing to help organise this and not depend on government to do this? Over here in Belgium where I am your family doctor comes to your house as a first step to do the tests and told to self-isolante for a week. The next steps follow after the test results.There’s tracking system in place through your IC.

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